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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
(Mark One)
xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 20172020
or
¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                          to                         
Commission file number 1-442
THE BOEING COMPANY
(Exact name of registrant as specified in its charter)
Delaware91-0425694
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer Identification No.)
Delaware91-0425694
State or other jurisdiction of
incorporation or organization
(I.R.S. Employer Identification No.)
100 N. Riverside Plaza, Chicago, ILChicago,IL60606-1596
(Address of principal executive offices)(Zip Code)
Registrant’s telephone number, including area code (312) 544-2000 -544-2000

Securities registered pursuant to Section 12(b) of the Act:
Common Stock, $5 par value$5.00 Par ValueBANew York Stock Exchange
(Title of each class)(Trading Symbol)(Name of each exchange on which registered)
Securities registered pursuant to Section 12(g) of the Act:None
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes x No ¨
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ¨ No x
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No ¨
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No ¨
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§ 229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.Yes ¨ No x
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer x
Accelerated Filer
Accelerated filer ¨
Non-accelerated filer¨ (Do not check if a smaller reporting company)
Smaller reporting company¨
Emerging growth company¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No x

As of June 30, 2017,2020, there were 593,198,552564,420,221 common shares outstanding held by nonaffiliates of the registrant, and the aggregate market value of the common shares (based upon the closing price of these shares on the New York Stock Exchange) was approximately $117.3$103.5 billion.

The number of shares of the registrant’s common stock outstanding as of February 5, 2018January 25, 2021 was 588,490,313.582,996,860.

DOCUMENTS INCORPORATED BY REFERENCE
Part III incorporates information by reference to the registrant’s definitive proxy statement, to be filed with the Securities and Exchange Commission within 120 days after the close of the fiscal year ended December 31, 2017.2020.



Table of Contents
THE BOEING COMPANY
Index to the Form 10-K
For the Fiscal Year Ended December 31, 2017
2020
Page



Table of Contents
PART I
Item 1. Business
The Boeing Company, together with its subsidiaries (herein referred to as “Boeing,” the “Company,” “we,” “us,” “our”), is one of the world’s major aerospace firms.
We are organized based on the products and services we offer. We operate in four reportable segments:
Commercial Airplanes (BCA);
Defense, Space & Security (BDS) (BDS);
Global Services (BGS) (BGS);
Boeing Capital (BCC) (BCC).
Commercial Airplanes Segment
This segment develops, produces and markets commercial jet aircraft and provides fleet support services, principally to the commercial airline industry worldwide. We are a leading producer of commercial aircraft and offer a family of commercial jetliners designed to meet a broad spectrum of global passenger and cargo requirements of airlines. This family of commercial jet aircraft in production includes the 737 narrow-body model and the 747, 767, 777 and 787 wide-body models. Development continues on the 787-10777X program and certain 737 MAX derivatives and the 777X program.derivatives.
Defense, Space & Security Segment
This segment is engagedengages in the research, development, production and modification of manned and unmanned military aircraft and weapons systems for global strike, surveillance and mobility, including fighter aircraft and missile systems;trainer aircraft; vertical lift, including rotorcraft and tilt-rotor aircraft; mobility, surveillance and engagement,commercial derivative aircraft, including battle management, airborne, anti-submarine transport and tanker aircraft. In addition, this segment is engagedengages in the research, development, production and modification of the following products and related services: strategic defense and intelligence systems, including strategic missile and defense systems, command, control, communications, computers, intelligence, surveillance and reconnaissance (C4ISR), cyber and information solutions, and intelligence systems; satellite systems, including government and commercial satellites and space exploration.
BDS' primary customer is the United States Department of Defense (U.S. DoD) (U.S. DoD). Revenues from the U.S. DoD, including foreign military sales through the U.S. government, accounted for approximately 79%83% of its 20172020 revenues. Other significant BDS customers include the National Aeronautics and Space Administration (NASA) and customers in international defense, civil and commercial satellite markets.
This segment's primary products include the following fixed-wing military aircraft: EA-18G Growler Airborne Electronic Attack, F/A-18E/F Super Hornet, F-15 Strike Eagle,programs, P-8 programs, KC-46A Tanker, and KC-46A Tanker.T-7A Red Hawk. This segment produces rotorcraft and rotary-wing programs, such as CH-47 Chinook, AH-64 Apache, and V-22 Osprey. Unmanned vehicles include the MQ-25, QF-16, and Insitu’s Scan Eagle aircraft. In addition, this segment's products include space and missile systems including: government and commercial satellites, NASA’s Space Launch System (SLS), the International Space Station, Commercial Crew, missile defense and weapons programs, and Joint Direct Attack Munition, as well as the United Launch Alliance joint venture.
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Global Services Segment
This segment provides services to our commercial and defense customers. This segment offers aviation services support, aircraft modifications, spare parts, training, maintenance documents, data analytics and information-based services, and technical advice to commercial and government customers worldwide.


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In addition, BGS sustains aircraftaerospace platforms and systems with a full spectrum of products and services, through integrated logistics, including supply chain and logistics management, engineering, maintenance and engineering support;modifications, upgrades and conversions, spare parts, pilot and maintenance modification and upgrades for aircraft; and training systems and government services, including pilottechnical and maintenance training. Major defense programs supported include the C-17 Globemaster III, F-15 Strike Eagle, F/A-18E/F Super Hornet,documents, and AH-64 Apache for domesticdata analytics and international customers.digital services.
Boeing Capital Segment
BCC seeks to ensure that Boeing customers have the financing they need to buy and take delivery of their Boeing product, and manageswhile managing overall financing exposure. BCC’s portfolio consists of equipment under operating leases, sales-type/finance leases, notes and other receivables, assets held for sale or re-lease and investments.
Financial and Other Business Information
See the Summary of Business Segment Data and Note 21 to our Consolidated Financial Statements for financial information, including revenues and earnings from operations, for each of our business segments.
Intellectual Property
We own numerous patents and have licenses for the use of patents owned by others, which relate to our products and their manufacture. In addition to owning a large portfolio of intellectual property, we also license intellectual property to and from third parties. For example, the U.S. government has licenses in our patents that are developed in performance of government contracts, and it may use or authorize others to use the inventions covered by such patents for government purposes. Unpatented research, development and engineering skills, as well as certain trademarks, trade secrets, and other intellectual property rights, also make an important contribution to our business. While our intellectual property rights in the aggregate are important to the operation of each of our businesses, we do not believe that our business would be materially affected by the expiration of any particular intellectual property right or termination of any particular intellectual property patent license agreement.
Non-U.S. RevenuesHuman Capital
See Note 21The COVID-19 pandemic continues to impact lives and businesses around the world. We have taken proactive steps to help protect the health and safety of our employees and maintain business continuity. A vast majority of our office workers continue to telecommute. Within our production and office areas we have established a number of safety protocols, including face covering and physical distance requirements, enhanced cleaning, encouraging daily self-health checks, voluntary temperature screening stations, and access to virtual primary care physicians at no cost. We have also implemented a coronavirus hotline with direct access to our Consolidated Financial StatementsHealth Services group to report COVID-19 tests due to illness or exposure and positive COVID-19 tests. As part of that reporting process, we have developed a robust contact tracing program to identify employees who were in close contact with the ill employee in the workplace. We are also actively planning for the time when COVID-19 vaccines will be available for our employees, including reaching out to county public health departments to learn more about their plans to distribute vaccines and monitoring information regarding non-U.S. revenues.from vaccine manufacturers about when vaccines will be available. All of the actions above are overseen by Boeing’s Crisis Management Working Group, a multi-functional, multi-discipline team tasked with integrating all aspects of Boeing’s COVID-19 response.
ResearchAdditionally, we are adapting to the market impacts of COVID-19 and Development
Research and development (R&D) expenditures involve experimentation, design, development and related test activitiespositioning the company for defense systems, new and derivative jet aircraft including both commercial and military, advanced space and other company-sponsored product development. R&D expenditures are expensed as incurred including amounts allocable as reimbursable overhead costs on U.S. government contracts.
Our total research and development expense, net amounted to $3.2 billion, $4.6 billion and $3.3 billion in 2017, 2016 and 2015, respectively.
Research and development costs also include bid and proposal efforts related to government products and services, as well as costs incurred in excessthe future. One of amounts estimated to be recoverable under cost-sharing research and development agreements. Bid and proposal costs were $288 million, $311 million and $286 million in 2017, 2016 and 2015, respectively.


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Employees
Total workforce level at December 31, 2017 was approximately 140,800.our workforce. As of December 31, 2017,2020, Boeing’s total workforce was approximately 141,000, with 11% located outside of the U.S. We expect to reduce the size of our workforce in 2021 through additional workforce actions as well as natural attrition.

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As of December 31, 2020, our workforce is composed of approximately 47,000 union members. Our principal collective bargaining agreements were with the following unions:
UnionPercent of our Employees RepresentedStatus of the Agreements with Major Union
The International Association of Machinists and Aerospace Workers (IAM)21%20%We have two major agreements; one expiring in JuneJuly 2022 and one in September 2024.
The Society of Professional Engineering Employees in Aerospace (SPEEA)12%10%We have two major agreements expiring in October 2022.2026.
The United Automobile, Aerospace and Agricultural Implement Workers of America (UAW)1%We have one major agreement expiring in October 2022.
We aspire to be the most equitable, diverse and inclusive company. Guided by our values, we are committed to creating a company where everyone is included and respected, and where we support each other in reaching our full potential. We are committed to diverse representation across all levels of our workforce to reflect the vibrant and thriving diversity of the communities in which we live and work. We also support Business Resource Groups open to all employees that focus on gender, race & ethnicity, generations, gender identity, sexual orientation, disability or veteran status. These groups help foster inclusion among all teammates, build awareness, recruit and retain a diverse workforce and support the company in successfully operating in a global, multicultural business environment. We are committed to increased transparency and will publicly share our diversity metrics annually, beginning in 2021.
To attract and retain the best-qualified talent, we offer competitive benefits, including market-competitive compensation, healthcare, paid time off, parental leave, retirement benefits, tuition assistance, employee skills development, leadership development, and rotation programs. In 2020, our voluntary resignation rate was approximately 3%. Additionally, we hired approximately 8,000 new employees in 2020 for critical skills and had an offer acceptance rate of 82%.
Employees are encouraged to provide feedback about their experience through ongoing employee engagement activities. Boeing actively listens to its employees via surveys ranging from pre-hire to exiting the company. These voluntary surveys provide aggregate trend reports for the company to address in real time and ensure Boeing maintains an employee-focused experience and culture. We also invest in rewarding performance and have established a multi-level recognition program for the purpose of acknowledging the achievements of excellent individual or team performance.
We are committed to supporting our employees continuous development of professional, technical and leadership skills through access to digital learning resources and through partnerships with leading professional/technical societies and organizations around the world. For 2020, Boeing employees consumed approximately 4 million hours of learning. We offer the ability for our people to pursue degree programs, professional certificates and individual courses in strategic fields of study from more than 300 accredited colleges and universities, online and across the globe through our tuition assistance program. Over 12,000 Boeing employees leverage these programs every year.
Safety, quality and integrity are at the core of how Boeing operates. We aspire to achieve zero workplace injuries and provide a safe, open and accountable work environment for our employees. We provide several channels for all employees to speak up, ask for guidance, and report concerns related
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to ethics or safety violations. We address employee concerns and take appropriate actions that uphold our Boeing values.
Competition
The commercial jet aircraft market and the airline industry remain extremely competitive. We face aggressive international competitors who are intent on increasing their market share, such as Airbus Embraer and Bombardier, and other entrants from Russia, China and Japan. We are focused on improving our processes and continuing cost reduction efforts. We intend to continue to compete with other airplane manufacturers by providing customers with greater value products.
BDS faces strong competition in all market segments, primarily from Lockheed Martin Corporation, Northrop Grumman Corporation, Raytheon Company,Technologies Corporation, General Dynamics Corporation and SpaceX. Non-U.S. companies such as BAE Systems and Airbus Group continue to build a strategic presence in the U.S. market by strengthening their North American operations and partnering with U.S. defense companies. In addition, certain competitors have occasionally formed teams with other competitors to address specific customer requirements. BDS expects the trend of strong competition to continue into 2018.2021.
The commercial and defense services market is anmarkets are extremely challenging landscapeand are made up of many of the same strong U.S. and non-U.S. competitors facing BCA and BDS along with other competitors in those markets. BGS leverages our extensive services network offering products and services which span the life cycle of our defense and commercial airplane programs: training, fleet services and logistics, maintenance and engineering, modifications and upgrades - as well as the daily cycle of gate-to-gate operations. BGS expects the market to remain highly competitive in 2018,2021, and intends to grow market share by leveraging a high level of customer satisfaction and productivity.
Regulatory Matters
Our businesses are heavily regulated in most of our markets. We deal with numerous U.S. government agencies and entities, including but not limited to all of the branches of the U.S. military, NASA, the Federal Aviation Administration (FAA) and the Department of Homeland Security. Similar government authorities exist in our non-U.S. markets.
Government Contracts. The U.S. government, and other governments, may terminate any of our government contracts at their convenience, as well as for default based on our failure to meet specified performance requirements. If any of our U.S. government contracts were to be terminated for convenience, we generally would be entitled to receive payment for work completed and allowable termination or cancellation costs. If any of our government contracts were to be terminated for default, generally the U.S.


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government would pay only for the work that has been accepted and could require us to pay the difference between the original contract price and the cost to re-procure the contract items, net of the work accepted from the original contract. The U.S. government can also hold us liable for damages resulting from the default.
Commercial Aircraft. In the U.S., our commercial aircraft products are required to comply with FAA regulations governing production and quality systems, airworthiness and installation approvals, repair procedures and continuing operational safety. Outside the U.S., similar requirements exist for airworthiness, installation and operational approvals. These requirements are generally administered by the national aviation authorities of each country and, in the case of Europe, coordinated by the European JointUnion Aviation Authorities.Safety Agency.
Environmental. We are subject to various federal, state, local and non-U.S. laws and regulations relating to environmental protection, including the discharge, treatment, storage, disposal and
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remediation of hazardous substances and wastes. We continually assess our compliance status and management of environmental matters to ensure our operations are in compliance with all applicable environmental laws and regulations. Investigation, remediation, and operation and maintenance costs associated with environmental compliance and management of sites are a normal, recurring part of our operations. These costs often are allowable costs under our contracts with the U.S. government. It is reasonably possible that costs incurred to ensure continued environmental compliance could have a material impact on our results of operations, financial condition or cash flows if additional work requirements or more stringent clean-up standards are imposed by regulators, new areas of soil, air and groundwater contamination are discovered and/or expansions of work scope are prompted by the results of investigations.
A Potentially Responsible Party (PRP) has joint and several liability under existing U.S. environmental laws. Where we have been designated a PRP by the Environmental Protection Agency or a state environmental agency, we are potentially liable to the government or third parties for the full cost of remediating contamination at our facilities or former facilities or at third-party sites. If we were required to fully fund the remediation of a site for which we were originally assigned a partial share, the statutory framework would allow us to pursue rights to contribution from other PRPs. For additional information relating to environmental contingencies, see Note 1113 to our Consolidated Financial Statements.
Non-U.S. Sales. Our non-U.S. sales are subject to both U.S. and non-U.S. governmental regulations and procurement policies and practices, including regulations relating to import-export control, tariffs, investment, exchange controls, anti-corruption, and repatriation of earnings. Non-U.S. sales are also subject to varying currency, political and economic risks.
Raw Materials, Parts, and Subassemblies
We are highly dependent on the availability of essential materials, parts and subassemblies from our suppliers and subcontractors. The most important raw materials required for our aerospace products are aluminum (sheet, plate, forgings and extrusions), titanium (sheet, plate, forgings and extrusions) and composites (including carbon and boron). Although alternative sources generally exist for these raw materials, qualification of the sources could take a year or more. Many major components and product equipment items are procured or subcontracted on a sole-source basis with a number of companies.
Suppliers
We are dependent upon the ability of a large number of U.S. and non-U.S. suppliers and subcontractors to meet performance specifications, quality standards and delivery schedules at our anticipated costs. While we maintain an extensive qualification and performance surveillance system to control risk associated with such reliance on third parties, failure of suppliers or subcontractors to meet commitments could adversely affect production schedules and program/contract profitability, thereby jeopardizing our ability


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to fulfill commitments to our customers. We are also dependent on the availability of energy sources, such as electricity, at affordable prices.
Seasonality
No material portion of our business is considered to be seasonal.
Executive Officers of the Registrant
See “Item 10. Directors, Executive Officers and Corporate Governance” in Part III.
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Other Information
Boeing was originally incorporated in the State of Washington in 1916 and reincorporated in Delaware in 1934. Our principal executive offices are located at 100 N. Riverside Plaza, Chicago, Illinois 60606 and our telephone number is (312) 544-2000.
General information about us can be found at www.boeing.com. The information contained on or connected to our website is not incorporated by reference into this Annual Report on Form 10-K and should not be considered part of this or any other report filed with the Securities and Exchange Commission (SEC). Our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K, as well as any amendments to those reports, are available free of charge through our website as soon as reasonably practicable after we file them with, or furnish them to, the SEC. These reports may also be obtained at the SEC’s public reference room at 100 F Street, N.E., Washington, D.C. 20549. The SEC also maintains a website at www.sec.gov that contains reports, proxy statements and other information regarding SEC registrants, including Boeing.
Forward-Looking Statements
This report, as well as our annual report to shareholders, quarterly reports, and other filings we make with the SEC, press and earnings releases and other written and oral communications, contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “may,” “should,” “expects,” “intends,” “projects,” “plans,” “believes,” “estimates,” “targets,” “anticipates” and similar expressions generally identify these forward-looking statements. Examples of forward-looking statements include statements relating to our future financial condition and operating results, as well as any other statement that does not directly relate to any historical or current fact.
Forward-looking statements are based on expectations and assumptions that we believe to be reasonable when made, but that may not prove to be accurate. These statements are not guarantees and are subject to risks, uncertainties and changes in circumstances that are difficult to predict. Many factors, including those set forth in the “Risk Factors” section below and other important factors disclosed in this report and from time to time in our other filings with the SEC, could cause actual results to differ materially and adversely from these forward-looking statements. Any forward-looking statement speaks only as of the date on which it is made, and we assume no obligation to update or revise any forward-looking statement whether as a result of new information, future events or otherwise, except as required by law.
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Item 1A. Risk Factors
An investment in our common stock or debt securities involves risks and uncertainties and our actual results and future trends may differ materially from our past or projected future performance. We urge investors to consider carefully the risk factors described below in evaluating the information contained in this report.

Risks Related to COVID-19
We face significant risks related to the spread of the COVID-19 virus and developments surrounding the global pandemic have had, and will continue to have, significant effects on our business, financial condition, results of operations, and cash flows. We also face significant risks related to the global economic downturn and severe reduction in commercial air traffic caused by the pandemic. These risks include materially reduced demand for our products and services, increased instability in our supply chain, and challenges to the ongoing viability of some of our customers. We may face similar risks in connection with any future public health crises, including resurgences in the spread of COVID-19.
The COVID-19 pandemic has subjected our business, operations, financial performance, cash flows and financial condition to a number of risks, including, but not limited to those discussed below.
Operations-related risks: As a result of the COVID-19 pandemic, we are facing increased operational challenges from the need to protect employee health and safety. These challenges have included, and may in the future include production site shutdowns, and workplace disruptions and restrictions on the movement of people, raw materials and goods, both at our own facilities and those of our customers and suppliers.
For example, during the second quarter of 2020, we temporarily suspended operations in Puget Sound, South Carolina, and Philadelphia, as well as at several other key production sites. We had not previously experienced a complete suspension of our operations at these production sites. While we have resumed operations at all of our production sites we cannot predict whether or where further production disruptions could be required or what the ongoing impact of COVID-19-related operating restrictions will be. For example, we continue to experience additional operating costs due to social distancing requirements and other factors related to COVID-19 restrictions. We cannot predict the impact that future production disruptions may have on our business, operations, financial performance and financial condition. We continue to monitor federal, state, and municipal health authorities for new or modified guidance and requirements concerning the COVID-19 pandemic, and we may be required to impose additional operational restrictions and/or suspend operations at key production sites based on these requirements and recommendations and/or workplace disruptions caused by COVID-19.
Many of our suppliers also were required to suspend operations during the second quarter of 2020, and they may experience additional disruptions in 2021. Any such disruptions could have severe adverse impacts on our production costs, delivery schedule and/or ability to meet customer commitments.
Any prolonged suspension of operations or delayed recovery in our operations, and/or any similar suspension of operations or delayed recovery at one or more of our key suppliers, or the failure of any of our key suppliers, would result in further challenges to our business, leading to a further material adverse effect on our business, financial condition, results of operations, and cash flows.
Liquidity risks:The COVID-19 pandemic has also had a significant impact on our liquidity and overall debt levels. During the year ended December 31, 2020, net cash used by operating activities was $18.4 billion. At December 31, 2020, cash and short-term investments totaled $25.6 billion. Our debt balance totaled $63.6 billion at December 31, 2020, up from $27.3 billion at December 31, 2019. We expect negative operating cash flows in future quarters until deliveries begin to return to historical levels, and if

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the pace and scope of the recovery are worse than we currently contemplate, we may need to obtain additional financing in order to fund our operations and obligations. If we were to need to obtain additional financing, uncertainty related to COVID-19 and its impact on us and the aerospace industry, as well as continued uncertainty with respect to our credit rating could limit our access to credit markets and we may have difficulty obtaining financing on terms acceptable to us or at all. In addition, certain of our customers may also be unable to make timely payments to us. Factors that could limit our access to additional liquidity include further disruptions in the global capital markets and/or additional declines in our financial performance, outlook or credit ratings. The occurrence of any or all of these events could adversely affect our ability to fund our operations and/or meet outstanding debt obligations and contractual commitments. In addition, further downgrades in our credit ratings could adversely affect our cost of funds and related margins, liquidity, competitive position and access to capital markets, and a significant downgrade could have an adverse impact on our businesses.
Customer-related risks: Commercial air traffic has fallen dramatically due to the COVID-19 pandemic. This trend has impacted passenger traffic most severely. Near-term cargo traffic has also fallen, but to a lesser extent as global trade has begun to recover. Most airlines have significantly reduced their capacity, and many could implement further reductions in the near future. Many airlines are also implementing significant reductions in staffing. These capacity changes are causing, and are expected to continue to cause, negative impacts to our customers’ revenue, earnings, and cash flow, and in some cases may threaten the future viability of some of our customers, potentially causing defaults within our customer financing portfolio, which was $2.0 billion as of December 31, 2020 and/or requiring us to remarket aircraft that have already been produced and/or are currently in backlog. If we are unable to successfully remarket these aircraft and/or the narrow-body and wide-body markets do not recover as soon as we are currently assuming, or if we are required to further reduce production rates and/or contract the accounting quantity on any of our commercial programs, we could experience material reductions in earnings and/or be required to recognize a reach-forward loss on one or more of our programs. For example, in the fourth quarter of 2020, we recognized a reach-forward loss on the 777X program in part due to impacts related to the COVID-19 pandemic. In addition, if 737 MAX aircraft in one or more jurisdictions remain grounded for an extended period of time, we may experience additional reductions to backlog and/or significant order cancellations. Additionally, we may experience fewer new orders and increased cancellations across all of our commercial airplane programs as a result of the COVID-19 pandemic and associated impacts on demand. Our customers may also lack sufficient liquidity to purchase new aircraft due to impacts from the pandemic. We are also observing a significant increase in the number of requests for payment deferrals, contract modifications, lease restructurings and similar actions, and these trends may lead to additional charges, impairments and other adverse financial impacts in our business over time. In addition, to the extent that customers have valid rights to cancel undelivered aircraft, we may be required to refund pre-delivery payments, putting additional constraints on our liquidity.
In addition to the near-term impact, there is risk that the industry implements longer-term strategies involving reduced capacity, shifting route patterns, and mitigation strategies related to impacts from COVID-19 and the risk of future public health crises. In addition, airlines may experience reduced demand due to reluctance by the flying public to travel due to travel restrictions and/or social distancing requirements.
As a result, there is significant uncertainty with respect to when commercial air traffic levels will begin to recover, and whether and at what point capacity will return to and/or exceed pre-COVID-19 levels. The COVID-19 pandemic also has increased, and its aftermath is also expected to continue to increase, uncertainty with respect to global trade volumes, which could put negative pressure on cargo traffic levels. Any of these factors would have a significant impact on the demand for both single-aisle and wide-body commercial aircraft, as well as for the services we provide to commercial airlines. In addition, a lengthy period of reduced industry-wide demand for commercial aircraft would put additional pressure on our suppliers, resulting in increased procurement costs and/or additional supply chain disruption. To
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the extent that the COVID-19 pandemic or its aftermath further impacts demand for our products and services or impairs the viability of some of our customers and/or suppliers, our financial condition, results of operations, and cash flows could be adversely affected, and those impacts could be material.
Other risks: The magnitude and duration of the global COVID-19 pandemic is uncertain and continues to adversely affect our business and operating and financial results. For example, during the fourth quarter of 2020, due in part to the prolonged adverse impact of the pandemic on our earnings, we recorded an increase of $2.5 billion to the valuation allowance associated with deferred income tax assets. The pandemic also is expected to heighten many of the other risks described below. Further, the COVID-19 pandemic may also affect our operating and financial results in a manner that is not presently known to us or that we currently do not expect to present significant risks to our operations or financial results.
Risks Related to Our Business and Operations
We are subject to a number of risks and uncertainties related to the 737 MAX. These risks include uncertainties regarding the timing and conditions of 737 MAX regulatory approvals, in certain non-U.S. jurisdictions, lower than planned production rates and/or delivery rates, increased considerations to customers, increased supplier costs and supply chain health, changes to the assumptions and estimates made in our financial statements regarding the 737 program, and potential outcomes of various 737 MAX-related legal proceedings and government investigations.
On March 13, 2019, the Federal Aviation Administration (FAA) issued an order to suspend operations of all 737 MAX aircraft in the U.S. and by U.S. aircraft operators following two fatal 737 MAX accidents. Non-U.S. civil aviation authorities issued directives to the same effect. Deliveries of the 737 MAX were suspended until December 2020. The grounding has reduced revenues, operating margins, and cash flows, and will continue to do so until production rates return to pre-grounding levels. In connection with the effort to return the 737 MAX to service, we developed software updates for the 737 MAX, together with an associated pilot training and supplementary education program. We continue to work with certain non-U.S. civil aviation authorities to complete remaining steps toward certification and readiness for return to service worldwide. Any delays in certification in one or more jurisdictions and/or the ramp-up of deliveries or other liabilities associated with the accidents or grounding could have a material adverse effect on our financial position, results of operations, and/or cash flows. In addition, multiple legal actions have been filed against us related to the 737 MAX. We also are fully cooperating with U.S. government investigations related to the accidents and the 737 MAX, including investigations by the Securities and Exchange Commission. In January 2021, we entered into a Deferred Prosecution Agreement with the U.S. Department of Justice that resolves the Department of Justice’s previously disclosed investigation into us regarding the evaluation of the 737 MAX airplane by the FAA. We expensed $744 in the fourth quarter of 2020 related to this agreement. Any further adverse impacts related to any such litigation or investigation could have a further material impact on our financial position, results of operations and/or cash flows.
During 2019, we announced plans to reduce, and ultimately to suspend 737 production. Impacts related to these actions significantly increased costs to produce aircraft included in the current accounting quantity and have resulted in reduced 737 program and overall BCA segment operating margins. We have also made significant assumptions regarding estimated costs expected to be incurred in 2021 that should be included in program inventory and those estimated costs that will be expensed when incurred as abnormal production costs. If we are unable to return the 737 MAX aircraft to service in one or more jurisdictions or deliver 737 aircraft to customers on the schedule and/or at a pace consistent with our expectations, we will incur significant additional costs and/or delay the planned ramp-up of 737 production. These delays would also result in significant additional disruption to the 737 production system and further delay efforts to restore and/or implement previously planned increases in the 737
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production rate. Cash flows continue to be negatively impacted by delayed payments from customers, higher costs and inventory levels, and payments made to customers in connection with disruption to their operations. In addition, we have experienced claims and assertions from customers in connection with the grounding, and we recorded an earnings charge of $8,259 million, net of insurance recoveries of $500 million, in 2019, in connection with an estimate of potential concessions and other considerations to customers for disruptions related to the grounding and associated delivery delays.
Any further delays in regulatory approval of the 737 MAX in one or more jurisdictions, further disruptions to suppliers and/or the long-term health of the production system, supplier claims or assertions, or changes to estimated concessions or other considerations we expect to provide to customers could have a material adverse effect on our financial position, results of operations, and/or cash flows. In the event of unanticipated additional training requirements in one or more jurisdictions, delays in regulatory approval, and/or delays in our ability to resume deliveries to one or more customers, we may be required to take actions with longer-term impact, such as further changes to our production plans, employment reductions and/or the expenditure of significant resources to support our supply chain and/or customers.
We have made significant estimates with respect to the 737 program regarding the number of units to be produced, the period during which those units are likely to be produced, and the units’ expected sales prices, production costs, program tooling and other non-recurring costs, and routine warranty costs. In addition to the estimated timing of the resumption of deliveries, we have made assumptions regarding outcomes of accident investigations and other government inquiries, timing of future 737 production rate increases, timing and sequence of future deliveries, supply chain health as we implement our production plans, as well as outcomes of negotiations with customers. Any changes in these estimates and/or assumptions with respect to the 737 program could have a material impact on our financial position, results of operations, and/or cash flows. For additional information, see our discussion under “Management’s Discussion and Analysis-Critical Accounting Policies and Estimates-737 MAX Grounding” on pages 55 - 56.
In addition to the impact of COVID-19 described above, our Commercial Airplanes and Global Services businesses depend heavily on commercial airlines, and are subject to unique risks.
Market conditions have a significant impact on demand for our commercial aircraft and related services. The commercial aircraft market is predominantly driven by long-term trends in airline passenger and cargo traffic. The principal factors underlying long-term traffic growth are sustained economic growth and political stability both in developed and emerging markets. Demand for our commercial aircraft is further influenced by airline profitability, availability of aircraft financing, world trade policies, government-to-government relations, technological advances, price and other competitive factors, fuel prices, terrorism, epidemics and environmental regulations. Traditionally, the airline industry has been cyclical and very competitive and has experienced significant profit swings and constant challenges to be more cost competitive. In addition, availability of financing to non-U.S. customers depends in part on the Export-Import Bank of the United States being fully operational. Significant deterioration in the global economic environment, the airline industry generally, or the financial stability of one or more of our major customers could result in fewer new orders for aircraft or services, or could cause customers to seek to postpone or cancel contractual orders and/or payments to us, which could result in lower revenues, profitability and cash flows and a reduction in our contractual backlog. In addition, because our commercial aircraft backlog consists of aircraft scheduled for delivery over a period of several years, any of these macroeconomic, industry or customer impacts could unexpectedly affect deliveries over a long period.
We enter into firm fixed-price aircraft sales contracts with indexed price escalation clauses which could subject us to losses if we have cost overruns or if increases in our costs exceed the applicable escalation rate. Commercial aircraft sales contracts are often entered into years before the aircraft are delivered. In order to help account for economic fluctuations between the contract date and delivery date, aircraft pricing generally consists of a fixed amount as modified by price escalation formulas
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derived from labor, commodity and other price indices. Our revenue estimates are based on current expectations with respect to these escalation formulas, but the actual escalation amounts are outside of our control. Escalation factors can fluctuate significantly from period to period. Changes in escalation amounts can significantly impact revenues and operating margins in our Commercial Airplanes business.
We derive a significant portion of our revenues from a limited number of commercial airlines. We can make no assurance that any customer will exercise purchase options, fulfill existing purchase commitments or purchase additional products or services from us. In addition, fleet decisions, airline consolidations or financial challenges involving any of our major commercial airline customers could significantly reduce our revenues and limit our opportunity to generate profits from those customers.
Our Commercial Airplanes business depends on our ability to maintain a healthy production system, achieve planned production rate targets, successfully develop new aircraft or new derivative aircraft, and meet or exceed stringent performance and reliability standards.
The commercial aircraft business is extremely complex, involving extensive coordination and integration with U.S and non-U.S. suppliers, highly-skilled labor from thousands of employees and other partners, and stringent regulatory requirements, including the risk of evolving standards for commercial aircraft certification, and performance and reliability standards. In addition, the introduction of new aircraft programs and/or derivatives, such as the 787-10, and 777X, involves increased risks associated with meeting development, testing, production, and certification schedules. The 737 program has also experienced significant disruption due to the grounding of the 737 MAX and associated suspension of 737 MAX production for part of 2020. As a result, our ability to deliver aircraft on time, satisfy regulatory and customer requirements, and achieve or maintain, as applicable, program profitability is subject to significant risks. For example, a number of our customers may have contractual remedies, including rights to reject individual airplane deliveries if the actual delivery date is significantly later than the contractual delivery date. Delays on the 737 MAX and 777X programs have resulted in, and may continue to result in, customers having the right to terminate orders and or substitute orders for other Boeing aircraft.
We must minimize disruption caused by production changes and achieve productivity improvements in order to meet customer demand and maintain our profitability. We have previously announced plans to adjust production rates on several of our commercial aircraft programs, while at the same time engagingprograms. We continue to engage in significant ongoing development, testing and production of the 787-10 and 777X aircraft. In addition, we continue to seek opportunities to reduce the costs of building our aircraft, including working with our suppliers to reduce supplier costs,


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identifying and implementing productivity improvements, and optimizing how we manage inventory. If production rate changes at any of our commercial aircraft assembly facilities are delayed or create significant disruption to our production system, or if our suppliers cannot timely deliver components to us at the cost and rates necessary to achieve our targets, we may be unable to meet delivery schedules and/or the financial performance of one or more of our programs may suffer.
Operational challenges impacting the production system for one or more of our commercial aircraft programs could result in production delays and/or failure to meet customer demand for new aircraft, either of which would negatively impact our revenues and operating margins. Our commercial aircraft production system is extremely complex. Operational issues, including delays or defects in supplier components, failure to meet internal performance plans, or delays or failures to achieve required regulatory certifications,approval, could result in significant out-of-sequence work and increased production costs, as well as delayed deliveries to customers, impacts to aircraft performance and/or increased warranty or fleet support costs. For example, in the fourth quarter of 2020, we expanded the scope of production inspections on the 787 program, and those inspections and associated rework are delaying scheduled deliveries and resulting in additional 787 aircraft in inventory.
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If our commercial airplanes fail to satisfy performance and reliability requirements, we could face additional costs and/or lower revenues. Developing and manufacturing commercial aircraft that meet or exceed our performance and reliability standards, as well as those of customers and regulatory agencies, can be costly and technologically challenging. These challenges are particularly significant with newer aircraft programs. Any failure of any Boeing aircraft to satisfy performance or reliability requirements could result in disruption to our operations, higher costs and/or lower revenues.
Changes in levels of U.S. government defense spending or overall acquisition priorities could negatively impact our financial position and results of operations.
We derive a substantial portion of our revenue from the U.S. government, primarily from defense related programs with the United States Department of Defense (U.S. DoD).U.S. DoD. Levels of U.S. defense spending are very difficult to predict and may be impacted by numerous factors such as the politicalevolving nature of the national security threat environment, U.S. national security strategy, U.S. foreign policy, the domestic political environment, macroeconomic conditions and the ability of the U.S. government to enact relevant legislation such as authorization and appropriations bills.
In addition, significant budgetary delays and constraintsAlthough FY21 appropriations have already resulted in reduced spending levels, and additional reductions may be forthcoming. The Budget Control Act of 2011 (The Act) established limits on U.S. government discretionary spending, including a reduction of defense spending between the 2012 and 2021 U.S. government fiscal years. Accordingly,been enacted, long-term uncertainty remains with respect to overall levels of defense spending beyond FY21, and it is likely that U.S. government discretionary spending, levelsincluding defense spending, will continue to be subject to pressure.
In addition, therethe timeliness of future appropriations for government departments and agencies remains a recurrent risk. A lapse in appropriations for government department or agencies would result in a full or partial government shutdown, which could impact the Company’s operations. Alternatively, Congress may fund government departments and agencies with one or more Continuing Resolutions; however, this could restrict the execution of certain program activities and delay new programs or competitions.
There continues to be significant uncertainty with respect to future acquisition priorities and program-level appropriations for the U.S. DoD and other government agencies (including NASA) within the overall budgetary framework described above. While the House, including tension between modernization investments, sustainment investments, and Senate Appropriations committees included funding for Boeing’s major programs, such as F/A-18, CH-47 Chinook, AH-64 Apache, KC-46A Tanker and P-8 programs,investments in the final FY2017 appropriation and in their FY2018 bills, uncertainty remains about how defense budgets in FY2018 and beyond will affect Boeing’s programs.new technologies or emergent capabilities. Future investment priority changes or budget cuts, including cuts mandated by sequestration, or future procurement decisionschanges associated with the authorizations and appropriations process could result in reductions, cancellations, and/or delays of existing contracts or programs.programs, or future program opportunities. Any of these impacts could have a material effect on the results of the Company’s operations, financial position and/or cash flows.
In addition, as a result of the significant ongoing uncertainty with respect to both U.S. defense spending levels and the evolving nature of the national security threat environment, we also expect the U.S. DoD to continue to emphasize cost-cuttingaffordability, innovation, cybersecurity, and other efficiency initiativesdelivery of technical data and software in its procurement processes. If we can no longer adjust successfully to these changing acquisition priorities and/or fail to meet affordability targets set by the U.S. DoD customer,policies our revenues and market share wouldcould be further impacted.


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We conduct a significant portion of our business pursuant to U.S. government contracts, which are subject to unique risks.
In 2017,31% of our revenues were earned pursuant to U.S. government contracts, which include foreign military sales (FMS) through the U.S. government. Business conducted pursuant to such contracts is subject to extensive procurement regulations and other unique risks.
Our sales to the U.S. government are subject to extensive procurement regulations, and changes to those regulations could increase our costs. New procurement regulations, or changes to existing requirements, could increase our compliance costs or otherwise have a material impact on the operating margins of our BDS and BGS businesses. These requirements may result in increased compliance costs, and we could be subject to additional costs in the form of withheld payments and/or reduced future business if we fail to comply with these requirements in the future. Compliance costs attributable to current and potential future procurement regulations such as these could negatively impact our financial condition and operating results.
The U.S. government may modify, curtail or terminate one or more of our contracts. The U.S. government contracting party may modify, curtail or terminate its contracts and subcontracts with us, without prior notice and either at its convenience or for default based on performance. In addition, funding pursuant to our U.S. government contracts may be reduced or withheld as part of the U.S. Congressional appropriations process due to fiscal constraints, changes in U.S. national security strategy and/or priorities or other reasons. Further uncertainty with respect to ongoing programs could also result in the event that the U.S. government finances its operations through temporary funding measures such as “continuing resolutions” rather than full-year appropriations. Any loss or anticipated loss or reduction of expected funding and/or modification, curtailment, or termination of one or more large programs could have a material adverse effect on our earnings, cash flow and/or financial position.
We are subject to U.S. government inquiries and investigations, including periodic audits of costs that we determine are reimbursable under U.S. government contracts. U.S. government agencies, including the Defense Contract Audit Agency and the Defense Contract Management Agency, routinely audit government contractors. These agencies review our performance under contracts, cost structure and compliance with applicable laws, regulations, and standards, as well as the adequacy of and our compliance with our internal control systems and policies. Any costs found to be misclassified or inaccurately allocated to a specific contract will be deemed non-reimbursable, and to the extent already reimbursed, must be refunded. Any inadequacies in our systems and policies could result in withholds on billed receivables, penalties and reduced future business. Furthermore, if any audit, inquiry or investigation uncovers improper or illegal activities, we could be subject to civil and criminal penalties and administrative sanctions, including termination of contracts, forfeiture of profits, suspension of payments, fines, and suspension or debarment from doing business with the U.S. government. We also could suffer reputational harm if allegations of impropriety were made against us, even if such allegations are later determined to be false.
We enter into fixed-price contracts which could subject us to losses if we have cost overruns.
Our BDS and BGS defense businesses generated approximately 65% and 77% of their 2017 revenues from fixed-price contracts. While fixed-price contracts enable us to benefit from performance improvements, cost reductions and efficiencies, they also subject us to the risk of reduced margins or incurring losses if we are unable to achieve estimated costs and revenues. If our estimated costs exceed our estimated price, we recognize reach-forward losses which can significantly affect our reported results. For example, during 2017, we recorded reach-forward losses totaling $471 million on the USAF KC-46A Tanker contract, primarily driven by additional costs attributable to certification and incorporating changes into low rate initial production (LRIP) aircraft. The long term nature of many of our contracts makes the process of estimating costs and revenues on fixed-price contracts inherently risky. Fixed-price contracts often contain price incentives and penalties tied to performance which can be difficult to estimate and have significant


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impacts on margins. In addition, some of our contracts have specific provisions relating to cost, schedule and performance.
Fixed-price development contracts are generally subject to more uncertainty than fixed-price production contracts. Many of these development programs have highly complex designs. In addition, technical or quality issues that arise during development could lead to schedule delays and higher costs to complete, which could result in a material charge or otherwise adversely affect our financial condition. Examples of significant BDS fixed-price development contracts include Commercial Crew, Saudi F-15, USAF KC-46A Tanker, and commercial and military satellites.
We enter into cost-type contracts which also carry risks.
Our BDS and BGS defense businesses generated approximately 35% and 23% of their 2017 revenues from cost-type contracting arrangements. Some of these are development programs that have complex design and technical challenges. These cost-type programs typically have award or incentive fees that are subject to uncertainty and may be earned over extended periods. In these cases the associated financial risks are primarily in reduced fees, lower profit rates or program cancellation if cost, schedule or technical performance issues arise. Programs whose contracts are primarily cost-type include GMD, Proprietary and SLS programs.
We enter into contracts that include in-orbit incentive payments that subject us to risks.
Contracts in the commercial satellite industry and certain government satellite contracts include in-orbit incentive payments. These in-orbit payments may be paid over time after final satellite acceptance or paid in full prior to final satellite acceptance. In both cases, the in-orbit incentive payment is at risk if the satellite does not perform to specifications for up to 15 years after acceptance. The net present value of in-orbit incentive fees we ultimately expect to realize is recognized as revenue in the construction period. If the satellite fails to meet contractual performance criteria, customers will not be obligated to continue making in-orbit payments and/or we may be required to provide refunds to the customer and incur significant charges.
Our ability to deliver products and services that satisfy customer requirements is heavily dependent on the performance and financial stability of our subcontractors and suppliers, as well as on the availability of raw materials and other components.
We rely on other companies including U.S. and non-U.S. subcontractors and suppliers to provide and produce raw materials, integrated components and sub-assemblies, and production commodities and to perform some of the services that we provide to our customers. If one or more of our suppliers or subcontractors experiences financial difficulties, delivery delays or other performance problems, we may be unable to meet commitments to our customers or incur additional costs. In addition, if one or more of the raw materials on which we depend (such as aluminum, titanium or composites) becomes unavailable or is available only at very high prices, we may be unable to deliver one or more of our products in a timely fashion or at budgeted costs. In some instances, we depend upon a single source of supply. Any service disruption from one of these suppliers, either due to circumstances beyond the supplier’s control, such as geo-politicalgeopolitical developments, or as a result of performance problems or financial difficulties, could have a material adverse effect on our ability to meet commitments to our customers or increase our operating costs.
Competition within our markets and with respect to the products we sell may reduce our future contracts and sales.
The markets in which we operate are highly competitive and one or more of our competitors may have more extensive or more specialized engineering, manufacturing and marketing capabilities than we do in some areas. In our Commercial Airplanes business, we anticipate increasing competition among non-U.S. aircraft manufacturers of commercial jet aircraft. In our BDS business, we anticipate that the effects of defense industry consolidation, shifting acquisition and budget priorities, and continued cost pressure at our U.S. DoD and non-U.S. customers will intensify competition for many of our BDS products. Our BGS segment faces competition from many of the same strong U.S. and non-U.S. competitors facing BCA and BDS. Furthermore, we are facing increased international competition and cross-border consolidation of competition. There can be no assurance that we will be able to compete successfully against our current or future competitors or that the competitive pressures we face will not result in reduced revenues and market share.
We derive a significant portion of our revenues from non-U.S. sales and are subject to the risks of doing business in other countries.
In 2020, non-U.S. customers, which includes foreign military sales (FMS), accounted for approximately 37% of our revenues. We expect that non-U.S. sales will continue to account for a significant portion of our revenues for the foreseeable future. As a result, we are subject to risks of doing business internationally, including:
changes in regulatory requirements;
changes in the global trade environment, including disputes with authorities in non-U.S. jurisdictions, including international trade authorities, that could impact sales and/or delivery of products and services outside the U.S. and/or impose costs on our customers in the form of tariffs, duties, or penalties attributable to the importation of Boeing products and services;
U.S. and non-U.S. government policies, including requirements to expend a portion of program funds locally and governmental industrial cooperation or participation requirements;
fluctuations in international currency exchange rates;
volatility in international political and economic environments and changes in non-U.S. national priorities and budgets, which can lead to delays or fluctuations in orders;
the complexity and necessity of using non-U.S. representatives and consultants;
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the uncertainty of the ability of non-U.S. customers to finance purchases, including the availability of financing from the Export-Import Bank of the United States;
uncertainties and restrictions concerning the availability of funding credit or guarantees;
imposition of domestic and international taxes, export controls, tariffs, embargoes, sanctions and other trade restrictions;
the difficulty of management and operation of an enterprise spread over many countries;
compliance with a variety of non-U.S. laws, as well as U.S. laws affecting the activities of U.S. companies abroad; and
unforeseen developments and conditions, including terrorism, war, epidemics and international tensions and conflicts.
While the impact of these factors is difficult to predict, any one or more of these factors could adversely affect our operations in the future. For example, since 2018, the U.S. and China have imposed tariffs on each other’s imports. China is a very significant market for commercial airplanes and represents a significant component of our commercial airplanes backlog.In addition, the U.S. and European Union (EU) have been engaged in two long-running disputes at the World Trade Organization (WTO) relating to large civil aircraft, including one that has resulted in the imposition of tariffs on certain of our products. Impacts from these or future potential tariffs, or deterioration in trade relations between the U.S. and one or more other countries, could have a material adverse impact on our revenues, operating earnings, and/or cash flows.
We use estimates in accounting for many contracts and programs. Changes in our estimates could adversely affect our future financial results.
Contract and program accounting require judgment relative to assessing risks, estimating revenues and


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costs and making assumptions for schedule and technical issues. Due to the size and nature of many of our contracts and programs, the estimation of total revenues and cost at completion is complicated and subject to many variables. Assumptions have to be made regarding the length of time to complete the contract or program because costs also include expected increases in wages and employee benefits, material prices and allocated fixed costs. Incentives or penalties related to performance on contracts are considered in estimating sales and profit rates, and are recorded when there is sufficient information for us to assess anticipated performance. Suppliers’Supplier claims and assertions are also assessed and considered in estimating costs and profit rates. Estimates of future award fees are also usedincluded in sales and profit rates based on actual and anticipated awards.rates.
With respect to each of our commercial aircraft programs, inventoriable production costs (including overhead), program tooling and other non-recurring costs and routine warranty costs are accumulated and charged as cost of sales by program instead of by individual units or contracts. A program consists of the estimated number of units (accounting quantity) of a product to be produced in a continuing, long-term production effort for delivery under existing and anticipated contracts limited by the ability to make reasonably dependable estimates. To establish the relationship of sales to cost of sales, program accounting requires estimates of (a) the number of units to be produced and sold in a program, (b) the period over which the units can reasonably be expected to be produced and (c) the units’ expected sales prices, production costs, program tooling and other non-recurring costs, and routine warranty costs for the total program. Several factors determine accounting quantity, including firm orders, letters of intent from prospective customers and market studies. Changes to customer or model mix, production costs and rates, learning curve, changes to price escalation indices, costs of derivative aircraft, supplier performance, customer and supplier negotiations/settlements, supplier claims and/or certification issues can impact these estimates. In addition, on development programs such as the 777X, we are subject to risks with respect to the timing and conditions of aircraft certification, including potential gaps between when aircraft are certified in various jurisdictions, and our estimates with
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respect to timing of future certifications could have an impact on overall program status. Any such change in estimates relating to program accounting may adversely affect future financial performance.
Because of the significance of the judgments and estimation processes described above, materially different sales and profit amounts could be recorded if we used different assumptions or if the underlying circumstances were to change. Changes in underlying assumptions, circumstances or estimates may adversely affect future period financial performance. For additional information on our accounting policies for recognizing sales and profits, see our discussion under “Management’s Discussion and Analysis – Critical Accounting Policies – Contract Accounting/Program Accounting” on pages 41534355 and Note 1 to our Consolidated Financial Statements on pages 52686481 of this Form 10-K.
Competition within our markets and with respect to the products we sell may reduce our future contracts and sales.
The markets in which we operate are highly competitive and one or more of our competitors may have more extensive or more specialized engineering, manufacturing and marketing capabilities than we do in some areas. In our Commercial Airplanes business, we anticipate increasing competition among non-U.S. aircraft manufacturers of commercial jet aircraft. In our BDS business, we anticipate that the effects of defense industry consolidation, fewer large and new programs and new priorities, including near and long-term cost competitiveness, of our U.S. DoD and non-U.S. will intensify competition for many of our BDS products. Our BGS segment faces competition from many of the same strong U.S. and non-U.S. competitors facing BCA and BDS. Furthermore, we are facing increased international competition and cross-border consolidation of competition. There can be no assurance that we will be able to compete successfully against our current or future competitors or that the competitive pressures we face will not result in reduced revenues and market share.


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We derive a significant portion of our revenues from non-U.S. sales and are subject to the risks of doing business in other countries.
In 2017, non-U.S. customers, which includes FMS, accounted for approximately 55% of our revenues. We expect that non-U.S. sales will continue to account for a significant portion of our revenues for the foreseeable future. As a result, we are subject to risks of doing business internationally, including:
changes in regulatory requirements;
U.S. and non-U.S. government policies, including requirements to expend a portion of program funds locally and governmental industrial cooperation or participation requirements;
fluctuations in international currency exchange rates;
volatility in international political and economic environments and changes in non-U.S. national priorities and budgets, which can lead to delays or fluctuations in orders;
the complexity and necessity of using non-U.S. representatives and consultants;
the uncertainty of the ability of non-U.S. customers to finance purchases, including the availability of financing from the Export-Import Bank of the United States;
uncertainties and restrictions concerning the availability of funding credit or guarantees;
imposition of domestic and international taxes, export controls, tariffs, embargoes, sanctions and other trade restrictions;
the difficulty of management and operation of an enterprise spread over many countries;
compliance with a variety of non-U.S. laws, as well as U.S. laws affecting the activities of U.S. companies abroad; and
unforeseen developments and conditions, including terrorism, war, epidemics and international tensions and conflicts.
While the impact of these factors is difficult to predict, any one or more of these factors could adversely affect our operations in the future.
Unauthorized access to our or our customers’ information and systems could negatively impact our business.
We face certain security threats, including threats to the confidentiality, availability and integrity of our data and systems. We maintain an extensive network of technical security controls, policy enforcement mechanisms, monitoring systems and management oversight in order to address these threats. While these measures are designed to prevent, detect and respond to unauthorized activity in our systems, certain types of attacks, including cyber-attacks, could result in significant financial or information losses and/or reputational harm. In addition, we manage information and information technology systems for certain customers. Many of these customers face similar security threats. If we cannot prevent the unauthorized access, release and/or corruption of our customers’ confidential, classified or personally identifiable information, our reputation could be damaged, and/or we could face financial losses.
The outcome of litigation and of government inquiries and investigations involving our business is unpredictable and an adverse decision in any such matter could have a material effect on our financial position and results of operations.
We are involved in a number of litigation matters. These matters may divert financial and management resources that would otherwise be used to benefit our operations. No assurances can be given that the results of these matters will be favorable to us. An adverse resolution of any of these lawsuits, or future lawsuits, could have a material impact on our financial position and results of operations. In addition, we


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are subject to extensive regulation under the laws of the United States and its various states, as well as other jurisdictions in which we operate. As a result, we are sometimes subject to government inquiries and investigations of our business due, among other things, to our business relationships with the U.S. government, the heavily regulated nature of our industry, and in the case of environmental proceedings, our current or past ownership of certain property. Any such inquiry or investigation could potentially result in an adverse ruling against us, which could have a material impact on our financial position and results of operations.
A significant portion of our customer financing portfolio is concentrated among certain customers and in certain types of Boeing aircraft, which exposes us to concentration risks.
A significant portion of our customer financing portfolio is concentrated among certain customers and in distinct geographic regions. Our portfolio is also concentrated by varying degrees across Boeing aircraft product types, most notably 717 and 747-8 aircraft, and among customers that we believe have less than investment-grade credit. If one or more customers holding a significant portion of our portfolio assets experiences financial difficulties or otherwise defaults on or does not renew its leases with us at their expiration, and we are unable to redeploy the aircraft on reasonable terms, or if the types of aircraft that are concentrated in our portfolio suffer greater than expected declines in value, our earnings, cash flows and/or financial position could be materially adversely affected.
We may be unable to obtain debt to fund our operations and contractual commitments at competitive rates, on commercially reasonable terms or in sufficient amounts.
We depend, in part, upon the issuance of debt to fund our operations and contractual commitments. As of December 31, 2017 and 2016, our airplane financing commitments totaled $10,221 million and $14,847 million. If we require additional funding in order to fund outstanding financing commitments or meet other business requirements, our market liquidity may not be sufficient. A number of factors could cause us to incur increased borrowing costs and to have greater difficulty accessing public and private markets for debt. These factors include disruptions or declines in the global capital markets and/or a decline in our financial performance, outlook or credit ratings. The occurrence of any or all of these events may adversely affect our ability to fund our operations and contractual or financing commitments.
We may not realize the anticipated benefits of mergers, acquisitions, joint ventures/strategic alliances or divestitures.
As part of our business strategy, we may merge with or acquire businesses and/or form joint ventures and strategic alliances. Whether we realize the anticipated benefits from these acquisitions and related activities depends, in part, upon our ability to integrate the operations of the acquired business, the performance of the underlying product and service portfolio, and the performance of the management team and other personnel of the acquired operations. Accordingly, our financial results could be adversely affected by unanticipated performance issues, legacy liabilities, transaction-related charges, amortization of expenses related to intangibles, charges for impairment of long-term assets, credit guarantees, partner performance and indemnifications. Consolidations of joint ventures could also impact our reported results of operations or financial position. While we believe that we have established appropriate and adequate procedures and processes to mitigate these risks, there is no assurance that these transactions will be successful. We also may make strategic divestitures from time to time. These transactions may result in continued financial involvement in the divested businesses, such as through guarantees or other financial arrangements, following the transaction. Nonperformance by those divested businesses could affect our future financial results through additional payment obligations, higher costs or asset write-downs.

Risks Related to Our Contracts
We conduct a significant portion of our business pursuant to U.S. government contracts, which are subject to unique risks.
In 2020, 51% of our revenues were earned pursuant to U.S. government contracts, which include FMS through the U.S. government. Business conducted pursuant to such contracts is subject to extensive procurement regulations and other unique risks.
Our sales to the U.S. government are subject to extensive procurement regulations, and changes to those regulations could increase our costs. New procurement regulations, or changes to existing requirements, could increase our compliance costs or otherwise have a material impact on the operating margins of our BDS and BGS businesses. These requirements may result in increased compliance costs, and we could be subject to additional costs in the form of withheld payments and/or reduced future business if we fail to comply with these requirements in the future. Compliance costs attributable to current and potential future procurement regulations such as these could negatively impact our financial condition and operating results.
The U.S. government may modify, curtail or terminate one or more of our contracts. The U.S. government contracting party may modify, curtail or terminate its contracts and subcontracts with us, without prior notice and either at its convenience or for default based on performance. In addition, funding pursuant to our U.S. government contracts may be reduced or withheld as part of the U.S.

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Congressional appropriations process due to fiscal constraints, changes in U.S. national security strategy and/or priorities or other reasons. Further uncertainty with respect to ongoing programs could also result in the event that the U.S. government finances its operations through temporary funding measures such as “continuing resolutions” rather than full-year appropriations. Any loss or anticipated loss or reduction of expected funding and/or modification, curtailment, or termination of one or more large programs could have a material adverse effect on our earnings, cash flow and/or financial position.
Our insurance coverage may be inadequate to cover all significant risk exposures.
We are exposedsubject to liabilitiesU.S. government inquiries and investigations, including periodic audits of costs that we determine are uniquereimbursable under U.S. government contracts. U.S. government agencies, including the Defense Contract Audit Agency and the Defense Contract Management Agency, routinely audit government contractors. These agencies review our performance under contracts, cost structure and compliance with applicable laws, regulations, and standards, as well as the adequacy of and our compliance with our internal control systems and policies. Any costs found to be misclassified or inaccurately allocated to a specific contract will be deemed non-reimbursable, and to the productsextent already reimbursed, must be refunded. Any inadequacies in our systems and servicespolicies could result in withholds on billed receivables, penalties and reduced future business. Furthermore, if any audit, inquiry or investigation uncovers improper or illegal activities, we provide. We maintain insurance for certain riskscould be subject to civil and in some circumstances, we may receive indemnificationcriminal penalties and administrative sanctions, including termination of contracts, forfeiture of profits, suspension of payments, fines, and suspension or debarment from doing business with the U.S. government. We also could suffer reputational harm if allegations of impropriety were made against us, even if such allegations are later determined to be false.
We enter into fixed-price contracts which could subject us to losses if we have cost overruns.
Our BDS and BGS defense businesses generated approximately 69% and 72% of their 2020 revenues from fixed-price contracts. While fixed-price contracts enable us to benefit from performance improvements, cost reductions and efficiencies, they also subject us to the risk of reduced margins or incurring losses if we are unable to achieve estimated costs and revenues. If our estimated costs exceed our estimated price, we recognize reach-forward losses which can significantly affect our reported results. For example in 2020, we recorded additional reach-forward losses of $1,320 million on the KC-46A Tanker contract reflecting $551 million of costs associated with the agreement signed in April 2020 with the U.S. Air Force to develop and integrate a new Remote Vision System, and the remaining costs reflect production inefficiencies including impacts of COVID-19 disruption. New programs could also have risk for reach-forward loss upon contract award and during the period of contract performance. For example, in 2018, in connection with winning the T-7A Red Hawk and MQ-25 competitions, we recorded a loss of $400 million associated with options for 346 T-7A Red Hawk aircraft and a loss of $291 million related to the MQ-25 Engineering, Manufacturing and Development (EMD) contract. The amountlong term nature of many of our insurance coveragecontracts makes the process of estimating costs and revenues on fixed-price contracts inherently risky. Fixed-price contracts often contain price incentives and penalties tied to performance which can be difficult to estimate and have significant impacts on margins. In addition, some of our contracts have specific provisions relating to cost, schedule and performance.
Fixed-price development contracts are generally subject to more uncertainty than fixed-price production contracts. Many of these development programs have highly complex designs. In addition, technical or quality issues that arise during development could lead to schedule delays and higher costs to complete, which could result in a material charge or otherwise adversely affect our financial condition. Examples of significant BDS fixed-price development contracts include Commercial Crew, KC-46A Tanker, T-7A Red Hawk, VC-25B Presidential Aircraft, MQ-25, and commercial and military satellites.
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We enter into cost-type contracts which also carry risks.
Our BDS and BGS defense businesses generated approximately 31% and 28% of their 2020 revenues from cost-type contracting arrangements. Some of these are development programs that have complex design and technical challenges. These cost-type programs typically have award or incentive fees that are subject to uncertainty and may be earned over extended periods. In these cases the associated financial risks are primarily in reduced fees, lower profit rates or program cancellation if cost, schedule or technical performance issues arise. Programs whose contracts are primarily cost-type include Ground-based Midcourse Defense (GMD), Proprietary and SLS programs.
We enter into contracts that include in-orbit incentive payments that subject us to risks.
Contracts in the commercial satellite industry and certain government satellite contracts include in-orbit incentive payments. These in-orbit payments may be paid over time after final satellite acceptance or paid in full prior to final satellite acceptance. In both cases, the in-orbit incentive payment is at risk if the satellite does not cover all claims perform to specifications for up to 15 years after acceptance. The net present value of in-orbit incentive fees we ultimately expect to realize is recognized as revenue in the construction period. If the satellite fails to meet contractual performance criteria, customers will not be obligated to continue making in-orbit payments and/or liabilities and we may be forcedrequired to bear substantial costs. For example, liabilities arising fromprovide refunds to the use ofcustomer and incur significant charges.
Risks Related to Cybersecurity and Business Disruptions
Unauthorized access to our or our customers’ information and systems could negatively impact our business.
We face certain security threats, including threats to the confidentiality, availability and integrity of our products, such as aircraft technologies, missiledata and systems. We maintain an extensive network of technical security controls, policy enforcement mechanisms, monitoring systems border securityand management oversight in order to address these threats. While these measures are designed to prevent, detect and respond to unauthorized activity in our systems, anti-terrorism technologies,certain types of attacks, including cyber-attacks, could result in significant financial or information losses and/or air traffic managementreputational harm. In addition, we manage information and information technology systems may not be insurable on commercially reasonable terms. While somefor certain customers. Many of these products are shielded from liability withincustomers face similar security threats. If we cannot prevent the U.S. under the SAFETY Act provisionsunauthorized access, release and/or corruption of the 2002 Homeland Security Act, no such protection is available outside the U.S., potentially resulting in significant liabilities. The amount of insurance coverageour customers’ confidential, classified or personally identifiable information, our reputation could be damaged, and/or we maintain may be inadequate to cover these or other claims or liabilities.could face financial losses.
Business disruptions could seriously affect our future sales and financial condition or increase our costs and expenses.
Our business may be impacted by disruptions including threats to physical security, information technology or cyber-attacks or failures, damaging weather or other acts of nature and pandemics or other public health crises. Any of these disruptions could affect our internal operations or our ability to deliver products and services to our customers. Any significant production delays, or any destruction, manipulation or improper use of our data, information systems or networks could impact our sales, increase our expenses and/or have an adverse effect on the reputation of Boeing and of our products and services.
Some
17

Risks Related to Legal and Regulatory Matters
The outcome of litigation and of government inquiries and investigations involving our business is unpredictable and an adverse decision in any such matter could have a material effect on our suppliers’ workforcesfinancial position and results of operations.
We are represented by labor unions, whichinvolved in a number of litigation matters. These matters may leaddivert financial and management resources that would otherwise be used to work stoppages.
Approximately 52,000 employees, which constitute 37%benefit our operations. No assurances can be given that the results of our total workforce, were union represented as of December 31, 2017. We experienced a work stoppage in 2008 when a labor strike halted commercial aircraft and certain BDS program production. We may experience additional work stoppages in the future, which could adversely affect our business. We cannot predict how stable our relationships, currently with 10 U.S. labor organizations and 7 non-U.S. labor organizations,these matters will be favorable to us. An adverse resolution of any of these lawsuits, or whether we will be able to meet the unions’ requirements without impacting our financial condition. The unions may also limit our flexibility in dealing with our workforce. Union actions at suppliers can also affect us. Work stoppages and instability in our union relationshipsfuture lawsuits, could delay the production and/or development of our products, which could strain relationships with customers and cause a loss of revenues which would adversely affect our operations.
Substantial pension and other postretirement benefit obligations have a material impact on our earnings, shareholders’ equityfinancial position and cash flows from operations,results of operations. In addition, we are subject to extensive regulation under the laws of the United States and could have significant adverse impactsits various states, as well as other jurisdictions in future periods.
The majoritywhich we operate. As a result, we are sometimes subject to government inquiries and investigations of our employees have earned benefits under defined benefit pension plans. Potential pension contributions include both mandatory amounts required underbusiness due, among other things, to our business relationships with the Employee Retirement Income Security ActU.S. government, the heavily regulated nature of our industry, and discretionary contributions to improvein the plans' funded status. The extentcase of future contributions depends heavily on market factorsenvironmental proceedings, our current or past ownership of certain property. Any such as the discount rate and the actual return on plan assets. We estimate future contributions to these plans using assumptions with respect to these and other items. Changes to those assumptionsinquiry or investigation could potentially result in an adverse ruling against us, which could have a significant effect on future contributions as well asmaterial impact on our annual pension costs and/or result in a significant change to shareholders' equity. For U.S. government contracts, we allocate pension costs to individual contracts based on U.S. Cost Accounting Standards which can also affect contract profitability. We also provide other postretirement benefits to certainfinancial position and results of our employees, consisting principally of health care coverage for eligible retirees and qualifying dependents. Our estimates of future costs associated with these benefits are also subject to assumptions, including


13


estimates of the level of medical cost increases. For a discussion regarding how our financial statements can be affected by pension and other postretirement plan accounting policies, see Management's Discussion and Analysis-Critical Accounting Policies-Pension Plans on page 43 of this Form 10-K. Although GAAP expense and pension or other postretirement benefit contributions are not directly related, the key economic factors that affect GAAP expense would also likely affect the amount of cash or stock we would contribute to our plans.

operations.
Our operations expose us to the risk of material environmental liabilities.
We are subject to various U.S. federal, state, local and non-U.S. laws and regulations related to environmental protection, including the discharge, treatment, storage, disposal and remediation of hazardous substances and wastes. We could incur substantial costs, including cleanup costs, fines and civil or criminal sanctions, as well as third-party claims for property damage or personal injury, if we were to violate or become liable under environmental laws or regulations. In some cases, we may be subject to such costs due to environmental impacts attributable to our current or past manufacturing operations or the operations of companies we have acquired. In other cases, we may become subject to such costs due to an indemnification agreement between us and a third party relating to such environmental liabilities. In addition, new laws and regulations, more stringent enforcement of existing laws and regulations, the discovery of previously unknown contamination or the imposition of new remediation requirements could result in additional costs. For additional information relating to environmental contingencies, see Note 1113 to our Consolidated Financial Statements.
Risks Related to Financing and Liquidity
We may be unable to obtain debt to fund our operations and contractual commitments at competitive rates, on commercially reasonable terms or in sufficient amounts.
We depend, in part, upon the issuance of debt to fund our operations and contractual commitments. In addition, our debt balances have increased significantly since 2019, driven primarily by impacts related to the 737 MAX grounding and the COVID-19 pandemic, and we expect to continue to actively manage our liquidity. Our increased debt balance has also resulted in downgrades to our credit ratings. As of December 31, 2020, our debt totaled $63.6 billion of which approximately $20.4 billion of principal payments on outstanding debt become due over the next three years. In addition, as of December 31, 2020, our airplane financing commitments totaled $11,512 million. If we require additional funding in order to pay off existing debt, address further impacts to our business related to the 737 MAX, COVID-19, or broader market developments, fund outstanding financing commitments or meet other business requirements, our market liquidity may not be sufficient. These risks will be particularly acute if we are subject to further credit rating downgrades. A number of factors could cause us to incur increased borrowing costs and to have greater difficulty accessing public and private markets for debt. These factors include disruptions or declines in the global capital markets and/or a decline in our financial performance, outlook or credit ratings, including impacts described above related to the
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COVID-19 pandemic and/or associated changes in demand for our products and services. The occurrence of any or all of these events may adversely affect our ability to fund our operations and contractual or financing commitments.
Substantial pension and other postretirement benefit obligations have a material impact on our earnings, shareholders’ equity and cash flows from operations, and could have significant adverse impacts in future periods.
Many of our employees have earned benefits under defined benefit pension plans. Potential pension contributions include both mandatory amounts required under the Employee Retirement Income Security Act and discretionary contributions to improve the plans' funded status. The extent of future contributions depends heavily on market factors such as the discount rate and the actual return on plan assets. We estimate future contributions to these plans using assumptions with respect to these and other items. Changes to those assumptions could have a significant effect on future contributions as well as on our annual pension costs and/or result in a significant change to shareholders' equity. For U.S. government contracts, we allocate pension costs to individual contracts based on U.S. Cost Accounting Standards which can also affect contract profitability. We also provide other postretirement benefits to certain of our employees, consisting principally of health care coverage for eligible retirees and qualifying dependents. Our estimates of future costs associated with these benefits are also subject to assumptions, including estimates of the level of medical cost increases. For a discussion regarding how our financial statements can be affected by pension and other postretirement plan accounting policies, see “Management's Discussion and Analysis-Critical Accounting Policies-Pension Plans” on pages 57 - 58 of this Form 10-K. Although under Generally Accepted Accounting Principles in the United States of America (GAAP) the timing of periodic pension and other postretirement benefit expense and plan contributions are not directly related, the key economic factors that affect GAAP expense would also likely affect the amount of cash or stock we would contribute to our plans.
Our insurance coverage may be inadequate to cover all significant risk exposures.
We are exposed to liabilities that are unique to the products and services we provide. We maintain insurance for certain risks and, in some circumstances, we may receive indemnification from the U.S. government. The amount of our insurance coverage may not cover all claims or liabilities and we may be forced to bear substantial costs. For example, liabilities arising from the use of certain of our products, such as aircraft technologies, space systems, spacecraft, satellites, missile systems, weapons, cyber security, border security systems, anti-terrorism technologies, and/or air traffic management systems may not be insurable on commercially reasonable terms. While some of these products are shielded from liability within the U.S. under the SAFETY Act provisions of the 2002 Homeland Security Act, no such protection is available outside the U.S., potentially resulting in significant liabilities. The amount of insurance coverage we maintain may be inadequate to cover these or other claims or liabilities.
A significant portion of our customer financing portfolio is concentrated among certain customers and in certain types of Boeing aircraft, which exposes us to concentration risks.
A significant portion of our customer financing portfolio is concentrated among certain customers and in distinct geographic regions. Our portfolio is also concentrated by varying degrees across Boeing aircraft product types, most notably 717 and 747-8 aircraft, and among customers that we believe have less than investment-grade credit. If one or more customers holding a significant portion of our portfolio assets experiences financial difficulties or otherwise defaults on or does not renew its leases with us at their expiration, and we are unable to redeploy the aircraft on reasonable terms, or if the types of
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aircraft that are concentrated in our portfolio suffer greater than expected declines in value, our earnings, cash flows and/or financial position could be materially adversely affected.
Risks Related to Labor
Some of our and our suppliers’ workforces are represented by labor unions, which may lead to work stoppages.
Approximately 47,000 employees, which constitute 33% of our total workforce, were union represented as of December 31, 2020. We experienced a work stoppage in 2008 when a labor strike halted commercial aircraft and certain BDS program production. We may experience additional work stoppages in the future, which could adversely affect our business. We cannot predict how stable our relationships, currently with 10 U.S. labor organizations and 12 non-U.S. labor organizations, will be or whether we will be able to meet the unions’ requirements without impacting our financial condition. The unions may also limit our flexibility in dealing with our workforce. Union actions at suppliers can also affect us. Work stoppages and instability in our union relationships could delay the production and/or development of our products, which could strain relationships with customers and cause a loss of revenues which would adversely affect our operations.
Item 1B. Unresolved Staff Comments
Not applicable


14


Item 2. Properties
We occupied approximately 8586 million square feet of floor space on December 31, 20172020 for manufacturing, warehousing, engineering, administration and other productive uses, of which approximately 96%93% was located in the United States. The following table provides a summary of the floor space by business as of December 31, 2017:2020:
(Square feet in thousands)OwnedLeased
Government Owned(1)
Total
Commercial Airplanes40,444 2,303 42,747 
Defense, Space & Security23,109 6,335 29,444 
Global Services683 7,303 348 8,334 
Other(2)
2,385 2,343 318 5,046 
Total66,621 18,284 666 85,571 
(Square feet in thousands)Owned
 Leased
 
Government Owned(1)

 Total
Commercial Airplanes41,115
 2,455
 

43,570
Defense, Space & Security26,449
 5,390
 

 31,839
Global Services681
 5,274
   5,955
Other(2)
2,448
 915
 305
 3,668
Total70,693
 14,034
 305
 85,032
(1) Excludes rent-free space furnished by U.S. government landlord of 49 square feet.
(2) Other includes BCC, sites used for BCC, common internal services and our Corporate Headquarters.
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At December 31, 2017,2020, we occupied in excess of 77.877.4 million square feet of floor space at the following major locations:
Commercial Airplanes – Greater Seattle, WA; Greater Charleston, SC; Portland, OR; Greater Los Angeles, CA; Greater Salt Lake City, UT; Australia;Canada; and CanadaAustralia
Defense, Space & Security – Greater St. Louis, MO; Greater Seattle, WA; Greater Los Angeles, CA; Greater Seattle, WA; Philadelphia, PA; Mesa, AZ; Huntsville, AL; Oklahoma City, OK; Heath, OH; Greater Washington, DC; Australia; and Houston, TX
Global Services – San Antonio, TX; Greater Miami, FL; Dallas, TX; Jacksonville, FL; Germany; Mesa, AZ; and Mesa, AZGreater Denver, CO
Other – Chicago, IL; Greater Seattle, WA; Greater Los Angeles, CA ; Greater St. Louis, MO; and Greater Washington, DCDC.
Most runways and taxiways that we use are located on airport properties owned by others and are used jointly with others. Our rights to use such facilities are provided for under long-term leases with municipal, county or other government authorities. In addition, the U.S. government furnishes us certain office space, installations and equipment at U.S. government bases for use in connection with various contract activities.
We believe that our major propertiesTo support business needs, property requirements are adequate for our present needsbeing evaluated to align with previously announced staffing reductions, utilization studies, and as supplemented by planned improvements and construction, expect themstrategic growth investments to remain adequate for the foreseeable future.optimize footprint.
Item 3. Legal Proceedings
Currently, we are involved in a number of legal proceedings. For a discussion of contingencies related to legal proceedings, see Note 2021 to our Consolidated Financial Statements, which is hereby incorporated by reference.
Item 4. Mine Safety Disclosures
Not applicable

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15


PART II
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
The principal market for our common stock is the New York Stock Exchange where it trades under the symbol BA. As of February 5, 2018,January 25, 2021, there were 108,31099,383 shareholders of record. Additional information required by this item is incorporated by reference from Note 22 to our Consolidated Financial Statements.
Issuer Purchases of Equity Securities
The following table provides information about purchases we made during the quarter ended December 31, 20172020 of equity securities that are registered by us pursuant to Section 12 of the Exchange Act:
(Dollars in millions, except per share data)
(a)(b)(c)(d)
Total Number
of Shares
Purchased(1)
Average
Price Paid per
Share
Total Number of
Shares Purchased
as Part of Publicly
Announced Plans
or Programs
Approximate Dollar
Value of Shares That May Yet
be Purchased Under the
Plans or Programs(2)
10/1/2020 thru 10/31/20204,707$168.15 
11/1/2020 thru 11/30/20203,072152.35 
12/1/2020 thru 12/31/202016,683212.42 
Total24,462$196.36 
(1)A total of 24,385 shares were transferred to us from employees in satisfaction of minimum tax withholding obligations associated with the vesting of restricted stock units during the period. We did not purchase any shares of our common stock in the open market pursuant to our repurchase program. We purchased 77 shares in swap transactions.
(2)On March 21, 2020, the Board of Directors terminated its prior authorization to repurchase shares of the Company's outstanding common stock. Share repurchases under this plan had been suspended since April 2019.
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 (a) (b) (c) (d)
 
Total Number
of Shares
Purchased(1)
 
Average
Price Paid per
Share

 
Total Number of
Shares Purchased
as Part of Publicly
Announced Plans
or Programs

 
Approximate Dollar
Value of Shares That May Yet
be Purchased Under the
Plans or Programs(2)

10/1/2017 thru 10/31/20173,860,891 
$259.30
 3,856,749
 
$5,501
11/1/2017 thru 11/30/20172,806,168 262.85
 2,800,181
 4,765
12/1/2017 thru 12/31/201739,098 276.49
 
 18,000
Total6,706,157 
$260.89
 6,656,930
  
(1)
We purchased an aggregate of 6,656,930 shares of our common stock in the open market pursuant to our repurchase plan and 49,227 shares transferred to us from employees in satisfaction of minimum tax withholding obligations associated with the vesting of restricted stock units during the period. We did not purchase shares in swap transactions.
(2)
On December 11, 2017, we announced a new repurchase plan for up to $18 billion of common stock, replacing the plan previously authorized in 2016.


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Item 6. Selected Financial Data
Five-Year Summary (Unaudited)
(Dollars in millions, except per share data)20202019201820172016
Revenues$58,158 $76,559 $101,127 $94,005 $93,496 
Net (loss)/earnings($11,941)($636)$10,460 $8,458 $5,034 
Basic (loss)/earnings per share($20.88)($1.12)$18.05 $14.03 $7.92 
Diluted (loss)/earnings per share(20.88)(1.12)17.85 13.85 7.83 
Dividends declared per share (1)
 8.22 7.19 5.97 4.69 
Cash and cash equivalents$7,752 $9,485 $7,637 $8,813 $8,801 
Short-term and other investments17,838 545 927 1,179 1,228 
Total assets152,136 133,625 117,359 112,362 109,076 
Total debt63,583 27,302 13,847 11,117 9,952 
Operating cash flow($18,410)($2,446)$15,322 $13,346 $10,496 
Investing cash flow($18,366)($1,530)($4,621)($2,058)($3,378)
Financing cash flow$34,955 $5,739 ($11,722)($11,350)($9,587)
Total backlog$363,404 $463,403 $490,481 $474,640 $473,492 (2)
Year-end workforce141,000 161,100 153,000 140,800 150,500 
(1) In March 2020, the Board of Directors suspended the declaration and/or payment of cash dividends until further notice.
(2) 2016 Backlog does not reflect impact of the adoption of ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).


23
Five-Year Summary (Unaudited)
(Dollars in millions, except per share data)2017
 2016
 2015
 2014
 2013
Revenues
$93,392
 
$94,571
 
$96,114
 
$90,762
 
$86,623
Net earnings from continuing operations
$8,197
 
$4,895
 
$5,176
 
$5,446
 
$4,586
          
Basic earnings per share from continuing operations
$13.60
 
$7.70
 
$7.52
 
$7.47
 
$6.03
Diluted earnings per share from continuing operations13.43
 7.61
 7.44
 7.38
 5.96
Dividends declared per share(1)
5.97
 4.69
 3.82
 3.10
 2.185
          
Cash and cash equivalents
$8,813
 
$8,801
 
$11,302
 
$11,733
 
$9,088
Short-term and other investments1,179
 1,228
 750
 1,359
 6,170
Total assets92,333
 89,997
 94,408
 92,921
 90,014
Total debt11,117
 9,952
 9,964
 9,070
 9,635
          
Operating cash flow
$13,344
 
$10,499
 
$9,363
 
$8,858
 
$8,179
          
Total backlog
$488,145
 
$473,492
 
$489,299
 
$502,391
 
$440,928
          
Year-end workforce140,800
 150,500
 161,400
 165,500
 168,400
(1) Cash dividends have been paid on common stock every year since 1942.




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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations
Consolidated Results of Operations and Financial Condition
Overview
We are a global market leader in the design, development, manufacture, sale, service and support of commercial jetliners, military aircraft, satellites, missile defense, human space flight and launch systems and services. We are one of the two major manufacturers of 100+ seat airplanes for the worldwide commercial airline industry and one of the largest defense contractors in the U.S. While our principal operations are in the U.S., we conduct operations in an expanding number of countries and rely on an extensive network of non-U.S. partners, key suppliers and subcontractors.
Our strategy is centered on successful execution in healthy core businesses – Commercial Airplanes (BCA), Defense, Space & Security (BDS), and Global Services (BGS) – supplemented and supported by Boeing Capital (BCC). Taken together, these core businesses have historically generated substantial earnings and cash flow that permit us to invest in new products and services. We focus on producing the products and providing the services that the market demands, and continue to find new ways to improve efficiency and quality to provide a fair return for our shareholders. BCA is committed to being the leader in commercial aviation by offering airplanes and services that deliver superior design, safety, efficiency and value to customers around the world. BDS integrates its resources in defense, intelligence, communications, security, space and services to deliver capability-driven solutions to its customers at reduced costs. Our BDS strategy is to leverage our core businesses to capture key next-generation programs while expanding our presence in adjacent and international markets, underscored by an intense focus on growth and productivity. BGS provides support for commercial defense and space customersdefense through innovative, comprehensive, and cost-competitive product and service solutions. Our strategy also benefits us as the cyclicality of commercial and defense markets sometimes offset. BCC facilitates, arranges, structures and provides selective financing solutions for our Boeing customers.
Business Environment and Trends
The global outbreak of COVID-19 and the residual impacts of the 737 MAX grounding continue to have significant adverse impacts on our business and are expected to continue to negatively impact revenue, earnings and operating cash flow in future quarters. They are also having a significant impact on our liquidity - see Liquidity Matters in Note 1 to our Consolidated Financial Statements for a further discussion of liquidity and additional actions we are taking in response to these challenges.
The COVID-19 pandemic has caused an unprecedented shock to demand for air travel, creating a tremendous challenge for our customers, our business and the entire commercial aerospace manufacturing and services sector. Global economic growth, a primary driver for air travel, is expected to have declined to between -4% and -5% in 2020. The latest International Air Transport Association (IATA) forecast projected full-year 2020 passenger traffic to be down more than 60% compared to 2019 as global economic activity slows due to COVID-19, and governments severely restricted travel to contain the spread of the virus. The recovery remains slow and uneven as travel restrictions and varying regional travel protocols continue to impact air travel. Generally, we expect domestic travel to recover faster than international travel. As a result, we expect the narrow-body market to recover faster than the wide-body market. Also, the pace of the commercial market recovery will be heavily dependent on COVID-19 infection rates, progress on testing, government travel restrictions, and timing and availability of a vaccine. Air cargo traffic levels contracted this year due to weak global trade growth and capacity limitations given the large impact that COVID-19 has had on international passenger operations, which also carry cargo. Demand for dedicated freighters is developing better relative to cargo traffic trends.
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Airline financial performance, which also plays a role in the demand for new capacity, has been adversely impacted by the COVID-19 pandemic. According to IATA, net losses in 2020 for the airline industry are expected to be approximately $118 billion, compared to net profits of $26 billion in 2019. Our customers are taking actions to combat the effects of the COVID-19 pandemic on the market by preserving liquidity. This comes in many forms such as deferrals of advances and other payments to suppliers, deferrals of deliveries, reduced spending on services, and, in some cases, cancellation of orders. We face a challenging environment in the near to medium term as airlines adjust to reduced traffic which in turn will lower demand for commercial aerospace products and services. The current environment is also affecting the financial viability of some airlines.
We currently expect it will take approximately three years for world-wide travel to return to 2019 levels and a few years beyond that for the industry to return to long-term trend growth of approximately 5%. To balance the supply and demand given the COVID-19 shock and to preserve our long-term potential and competitiveness, we have reduced the production rates of several of our BCA programs. These rate decisions are based on our ongoing assessments of the demand environment and availability of aircraft financing. There is significant uncertainty with respect to when commercial air traffic levels will recover, and whether, and at what point, capacity will return to and/or exceed pre-COVID-19 levels. During the fourth quarter of 2020, we made adjustments to our estimates regarding timing of 777X entry into service and market demand. We now anticipate that the first 777X delivery will occur in late 2023. We will closely monitor the key factors that affect backlog and future demand including customers’ evolving fleet plans, the wide-body replacement cycle and the cargo market. We will maintain a disciplined rate management process, and make adjustments as appropriate in the future. Notwithstanding the changes we have made to production rates, risk remains that further reductions will be required. Additionally, if we are unable to make timely deliveries of the large number of aircraft in inventory as of December 31, 2020, future revenues, earnings and cash flows will be adversely impacted.
The long-term outlook for the industry remains positive due to the fundamental drivers of air travel demand: economic growth, increasing propensity to travel due to increased trade, globalization, and improved airline services driven by liberalization of air traffic rights between countries. The shock from COVID-19 has reduced the near to medium term demand, but our Commercial Market Outlook forecast projects a 4% growth rate for passenger and cargo traffic over a 20 year period. Based on long-term global economic growth projections of 2.5% average annual GDP growth, we project demand for approximately 43,000 new airplanes over the next 20 years. The industry remains vulnerable to exogenous developments including fuel price spikes, credit market shocks, acts of terrorism, natural disasters, conflicts, epidemics, pandemics and increased global environmental regulations.
Deliveries of the 737 MAX resumed in the fourth quarter of 2020, when the FAA rescinded the order that grounded 737 MAX aircraft in the U.S. Orders to suspend operations of 737 MAX aircraft from certain non-U.S. civil aviation authorities, including the Civil Aviation Administration of China, are still in effect. The grounding has had a significant adverse impact on our operations and creates significant uncertainty. We are focused on safely returning the 737 MAX to service for all of our customers.
At BGS, we are seeing a direct impact on our commercial supply chain business as fewer flights and more aircraft retirements result in a decreased demand for our parts and logistics offerings. Additionally, our commercial customers are curtailing discretionary spending, such as modifications and upgrades and focusing on required maintenance. Similar to BCA, we expect a multi-year recovery period for the commercial services business. The demand outlook for our government services business, which in 2019 accounted for just under half of BGS revenue, remains stable.
At BDS, we continue to see a healthy market with solid demand for our major platforms and programs both domestically and internationally. However, we experienced near-term production impacts associated with our temporary suspension of operations at various locations in 2020 .
25


In March and April of 2020, as a result of COVID-19, we temporarily suspended operations at multiple locations including the Puget Sound area, South Carolina and Philadelphia. Operations in Puget Sound and Philadelphia resumed during the week of April 20, while operations in South Carolina resumed beginning on May 3. We have implemented procedures to promote employee safety in our facilities, including more frequent and enhanced cleaning and adjusted schedules and work flows to support physical distancing. These actions have resulted, and will continue to result, in increased operating costs. In addition, a number of our suppliers have suspended or otherwise reduced their operations, and we are experiencing some supply chain shortages. Our suppliers are also experiencing liquidity pressures and disruptions to their operations as a result of COVID-19. We also continue to have large numbers of employees working from home. These measures and disruptions have reduced overall productivity and adversely impacted our financial position, results of operations, and cash flows in 2020. We expect further adverse impacts in future quarters.
In July 2020, we announced our business transformation efforts to assess our business across five key pillars – infrastructure, overhead and organization, portfolio and investments, supply chain health and operational excellence. We continue to make progress across all five key pillars as we utilize a lower production rate environment to transform and improve our business processes.Within the infrastructure pillar we are assessing our overall facility requirements in light of reduced demand in our commercial businesses and remote and virtual work opportunities for large numbers of our workforce. The consolidation of the 787 production in South Carolina is an example of this. We also anticipate a reduction of approximately 30% in office space needs compared to our current capacity. During 2020, we made certain reductions to our footprint and are planning to implement further reductions over the next few years. However, as we consolidate our footprint, we may incur near term adverse impacts to earnings. The overhead and organization pillar is focused on our cost structure and how we are organized so we can right size our workforce and simplify and reduce management layers and bureaucracy. During 2020, we recorded severance costs for approximately 26,000 employees, of which approximately 18,000 have left the Company as of December 31, 2020, and the remainder are expected to leave in 2021. The portfolio and investments pillar includes aligning our portfolio and investments to focus on our core business and the changes in market conditions. Through our portfolio and investment prioritization, we reduced research and development and capital expenditures during 2020 by $1.3 billion from the prior year.The supply chain pillar is focused on supply chain health and stability, reducing indirect procurement spend and streamlining our transportation, logistics and warehousing approach. We reduced indirect spend in 2020, by reducing expenditures in areas such as freight and logistics, purchased services and others. The operational excellence pillar is focused on improving performance, enhancing quality and reducing rework. For example, our information technology teams are evaluating opportunities to form or expand strategic partnerships with vendors that allow us to simplify and optimize our operations, and reduce overall costs.These activities are not intended to constrain our capacity, but to enable the Company to emerge stronger and be more resilient when the market recovers. We expect that successful execution of these measures will improve near term liquidity and long term cost competitiveness.

26

Consolidated Results of Operations
The following table summarizes key indicators of consolidated results of operations:
(Dollars in millions, except per share data)
Years ended December 31,202020192018
Revenues$58,158 $76,559 $101,127 
GAAP
(Loss)/earnings from operations($12,767)($1,975)$11,987 
Operating margins(22.0)%(2.6)%11.9 %
Effective income tax rate17.5 %71.8 %9.9 %
Net (loss)/earnings attributable to Boeing Shareholders($11,873)($636)$10,460 
Diluted (loss)/earnings per share($20.88)($1.12)$17.85 
Non-GAAP (1)
Core operating (loss)/earnings($14,150)($3,390)$10,660 
Core operating margins(24.3 %)(4.4 %)10.5 %
Core (loss)/earnings per share($23.25)($3.47)$16.01 
(Dollars in millions, except per share data)     
Years ended December 31,2017
 2016
 2015
Revenues
$93,392
 
$94,571
 
$96,114
      
GAAP     
Earnings from operations10,278
 5,834
 7,443
Operating margins11.0% 6.2% 7.7%
Effective income tax rate18.4% 12.1% 27.7%
Net earnings
$8,197
 
$4,895
 
$5,176
Diluted earnings per share
$13.43
 
$7.61
 
$7.44
      
Non-GAAP (1)
     
Core operating earnings
$8,970
 
$5,464
 
$7,741
Core operating margins9.6% 5.8% 8.1%
Core earnings per share
$12.04
 
$7.24
 
$7.72
(1)
These measures exclude certain components of pension and other postretirement benefit expense. See page 39 - 40 for important information about these non-GAAP measures and reconciliations to the most comparable GAAP measures.

(1)These measures exclude certain components of pension and other postretirement benefit expense. See pages 51 - 52 for important information about these non-GAAP measures and reconciliations to the most comparable GAAP measures.

18


Revenues
The following table summarizes Revenues:
(Dollars in millions)
Years ended December 31,202020192018
Commercial Airplanes$16,162 $32,255 $57,499 
Defense, Space & Security26,257 26,095 26,300 
Global Services15,543 18,468 17,056 
Boeing Capital261 244 274 
Unallocated items, eliminations and other(65)(503)(2)
Total$58,158 $76,559 $101,127 
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Commercial Airplanes
$56,729
 
$58,012
 
$59,399
Defense, Space & Security21,057
 22,563
 23,708
Global Services14,639
 13,925
 13,293
Boeing Capital307
 298
 413
Unallocated items, eliminations and other660
 (227) (699)
Total
$93,392
 
$94,571
 
$96,114
Revenues in 2017 decreased by $1,179$18,401 million or 1%in 2020 compared with 2016.2019 primarily due to lower revenues in our commercial airplanes and commercial services businesses. Revenues for each of our segments have been adversely impacted by COVID-19. BCA revenues decreased by $1,283$16,093 million or 2%due to lower deliveries driven by the impacts of the COVID-19 pandemic, 787 production issues, and the 737 MAX grounding, offset by lower charges related to estimated potential concessions and other considerations to 737 MAX customers. BDS revenues increased by $162 million primarily due to delivery mix, with fewer twin aisle deliveries more than offsettinghigher fighter aircraft and other volume, partially offset by the impact of higher single aisle deliveries. BDSunfavorable cumulative contract catch-up adjustments, largely due to the KC-46A Tanker charges in 2020. BGS revenues decreased by $1,506$2,925 million primarily due to fewer C-17lower commercial services revenue driven by impacts of the COVID-19 pandemic. The changes in Unallocated items, eliminations and other primarily reflect the timing of eliminations for intercompany aircraft deliveries, lower milestone revenue on satellite programs, andas well as reserves related to cost accounting litigation recorded in 2019. We expect the miximpacts of deliveries on the Apache and F-15 programs,COVID-19 pandemic to continue to significantly impact revenues in future quarters until the commercial airline industry recovers.
27

Revenues decreased by $24,568 million in 2019 compared with 2018 primarily due to lower revenues at BCA, partially offset by higher volume on various weapons programs. The decreasesrevenues at BCA and BDS were partially offset by higher unallocated revenue and higher BGS revenue, primarily due to higher commercial parts revenue.
Revenues in 2016 decreased by $1,543 million or 2% compared with 2015.BGS. Lower BCA revenues decreasedare primarily driven by $1,387lower 737 MAX deliveries and a revenue reduction of $8,259 million or 2% due fewer deliveries. BDS revenues decreased by $1,145 million or 5% primarily duerecorded in 2019 for estimated potential concessions and other considerations to lower milestone revenue on government satellite programs,fewer C-17 deliveries, lower Commercial Crew revenue, as well as timingcustomers for disruptions and mixassociated delivery delays related to the 737 MAX grounding, net of CH-47 Chinook deliveries, partially offset by higher revenue on several modifications and upgrades programs. The decreases at BCA and BDS were partially offset by higher BGS revenue, primarily due to higher commercial parts revenue and government services revenue.
insurance recoveries. The changes in unallocatedUnallocated items, eliminations and other in 2017, 2016 and 2015 primarily reflect the timing of eliminations for intercompany aircraft deliveries and the sale of aircraft previously leased to customers.
Loss/Earnings From Operations
The following table summarizes Earnings(Loss)/earnings from operations:
(Dollars in millions)
Years ended December 31,202020192018
Commercial Airplanes($13,847)($6,657)$7,830 
Defense, Space & Security1,539 2,615 1,692 
Global Services450 2,697 2,536 
Boeing Capital63 28 79 
Segment operating (loss)/profit(11,795)(1,317)12,137 
Pension FAS/CAS service cost adjustment1,024 1,071 1,005 
Postretirement FAS/CAS service cost adjustment359 344 322 
Unallocated items, eliminations and other(2,355)(2,073)(1,477)
(Loss)/earnings from operations (GAAP)($12,767)($1,975)$11,987 
FAS/CAS service cost adjustment *(1,383)(1,415)(1,327)
Core operating (loss)/earnings (Non-GAAP) **($14,150)($3,390)$10,660 
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Commercial Airplanes
$5,432
 
$1,995
 
$4,284
Defense, Space & Security2,223
 1,966
 2,312
Global Services2,256
 2,177
 1,835
Boeing Capital114
 59
 50
Unallocated pension and other postretirement benefit
income/(expense)

1,308
 370
 (298)
Other unallocated items and eliminations(1,055) (733) (740)
Earnings from operations (GAAP)
$10,278
 
$5,834
 
$7,443
Unallocated pension and other postretirement benefit(1,308) (370) 298
Core operating earnings (Non-GAAP)
$8,970
 
$5,464
 
$7,741
*    The FAS/CAS service cost adjustment represents the difference between the FAS pension and postretirement service costs calculated under GAAP and costs allocated to the business segments.

**    Core operating earnings is a Non-GAAP measure that excludes the FAS/CAS service cost adjustment. See pages 51 - 52.

19


EarningsLoss from operations in 2017 increased by $4,444$10,792 million in 2020 compared with 2016,2019 primarily due to increased losses at BCA and decreased earnings at BGS and BDS. BCA loss from operations increased by $7,190 million. The loss in 2020 primarily reflects a reach-forward loss recorded in the fourth quarter of $6,493 million on the 777X program. The reach-forward loss reflects a number of factors, including an updated assessment of global certification requirements informed by continued discussions with regulators and resulting in a management decision to make modifications to the aircraft’s design, an updated assessment of COVID-19 impacts on market demand, and discussions with our customers with respect to aircraft delivery timing. These factors resulted in adjustments to production rates and the program accounting quantity, increased change incorporation costs, and associated customer and supply chain impacts. The loss in 2020 also reflects the absence of MAX deliveries during the first three quarters of the year, lower wide-body deliveries and lower program margins resulting from the COVID-19 pandemic and 787 production issues, abnormal production costs, 737NG frame fitting component repair costs, severance costs and 737 MAX customer considerations.
The loss in 2019 primarily reflects the absence of 737 MAX deliveries in the second, third and fourth quarters, and charges of $8,259 million for estimated 737 MAX customer considerations. BDS earnings decreased by $1,076 million in 2020 compared with 2019, primarily due to higher unfavorable cumulative contract catch-up adjustments, including charges of $1,320 million on KC-46A Tanker and $168 million on VC-25B in 2020, offset by $489 million of charges on Commercial Crew in 2019. The
28

lower earnings were also driven by lower gains on property sales compared to 2019. BGS earnings from operations decreased by $2,247 million in 2020 compared with 2019 primarily due to lower commercial services revenue, as well as asset impairments and severance costs resulting from the COVID-19 market environment. We expect the impacts of the COVID-19 pandemic to continue to reduce earnings in future quarters until the commercial airline industry recovers.
Loss from operations was $1,975 million in 2019 compared with earnings from operations of $11,987 million in 2018. The decrease of $13,962 million is primarily due to a loss from operations at BCA of $6,657 million in 2019 compared to earnings from operations of $7,830 million in 2018, partially offset by higher earnings at BCA and BDS and higher unallocated pension income, which more than offset other unallocated itemsBGS in 2019 compared with 2018. BCA results decreased by $14,487 million due to lower 737 deliveries and eliminations. BCA's 2017the earnings increased by $3,437charges for estimated 737 MAX grounding customer considerations of $8,259 million, primarily reflecting lower reach-forward losses, lower research and development costs, and improved margins reflecting favorable cost performance, which more than offset the impactnet of lower revenues. In 2016, BCA recorded reach-forward losses of $1,258 million on the 747 program and reclassified $1,235 million of 787 flight test aircraft inventory costs to research and development expense.
insurance recoveries. BDS earnings from operations in 2017 increased by $257$923 million compared with 2016 primarily due to lower charges on the KC-46A Tanker and Commercial Crew programs, which more than offset the impact of fewer C-17 deliveries and Apache delivery mix.
Earningsin 2019 for development programs. BGS earnings from operations in 2016 decreasedincreased by $1,609 million compared with 2015 due to lower earnings at BCA, partially offset by the change in unallocated pension and postretirement income/(expense). BCA earnings in 2016 decreased by $2,289$161 million primarily due to the reclassification of $1,235 million of 787 flight test aircraft costs to researchhigher revenues, which was partially offset by less favorable performance and development and higher reach-forward losses on the 747 and KC-46A Tanker programs. The reclassification of flight test aircraft costs was recorded in the second quarter of 2016 as a result of our determination that two 787 flight test aircraft were no longer commercially saleable. The change in the unallocated pension and postretirement income/(expense) in 2016 was primarily driven by lower service costs and lower amortization of actuarial losses.mix.
During 2017, 20162020, 2019 and 2015,2018, we recorded reach-forward losses on the KC-46A Tanker program. In 2017, we recorded chargesprogram of $471$1,320 million, of which $378$148 million, was recordedand $736 million, respectively.
Core operating loss increased by $10,760 million in 2020 compared with 2019 primarily due to higher losses at BCA and $93 millionlower earnings at BDS. During 2016, we recorded charges of $1,128 million: $772 million at BCABGS and $356 million at BDS. During 2015, we recorded charges of $835 million: $513 million at BCA and $322 million at BDS. During 2016 and 2015 we recorded reach-forward losses on the 747 program of $1,258 million and $885 million.
Core operating earnings for 2017 increaseddecreased by $3,506$14,050 million in 2019 compared with 20162018 primarily due to lower reach forward lossesa loss from operations at BCA in 2019, partially offset by higher earnings at BDS and the reclassification of costs related to the 787 flight test aircraft in 2016.BGS.
Core operating earnings in 2016 decreased by $2,227 million compared with 2015 primarily due to the reclassification of costs related to the 787 flight test aircraft and higher charges on the 747 and KC-46A Tanker programs described above.
Unallocated Items, Eliminations and Other The most significant items included in Unallocated items, eliminations and other are shown in the following table:
(Dollars in millions)
Years ended December 31,202020192018
Share-based plans($120)($65)($76)
Deferred compensation(93)(174)(19)
Amortization of previously capitalized interest(95)(89)(92)
Research and development expense, net(240)(401)(144)
Customer financing impairment(250)
Litigation(109)(148)
Eliminations and other unallocated items(1,807)(985)(998)
Unallocated items, eliminations and other($2,355)($2,073)($1,477)
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Share-based plans
($77) 
($66) 
($76)
Deferred compensation(240) (46) (63)
Eliminations and other(738) (621) (601)
Sub-total (included in core operating earnings*)(1,055) (733) (740)
Pension1,120
 217
 (421)
Postretirement188
 153
 123
Pension and other postretirement benefit income/(expense)
(excluded from core operating earnings*)
1,308
 370
 (298)
Total unallocated items, eliminations and other
$253
 
($363) 
($1,038)
* Core operating earnings is a Non-GAAP measure that excludes certain componentsShare-based plans expense increased by $55 million in 2020, and decreased by $11 million in 2019. The increase in 2020 was due to increased grants of pensionRSUs and other postretirement benefit expense.share-based compensation. See pages 39 - 40.Note 17.


20


Deferred compensation expense increased by $194 million in 2017 and decreased by $17$81 million in 2016,2020 and increased by $155 million in 2019, primarily driven by changes in broad stock market conditions and our stock price.
29

Research and development expense decreased by $161 million in 2020 and increased by $257 million in 2019 primarily due to spending by Boeing NeXt on product development.
In 2019, we recorded a $250 million charge related to the impairment of lease incentives with one customer that experienced liquidity issues, and a $109 million charge related to ongoing litigation associated with recoverable costs on U.S. government contracts. In 2018, we recorded a $148 million charge related to the outcome of the Spirit litigation.
Eliminations and other unallocated expense increased by $117$822 million in 2017 and increased by $20 million in 20162020 primarily due to earnings charges of $744 million in the fourth quarter of 2020 related to an agreement between Boeing and the U.S. Department of Justice in January 2021. See Note 13.Eliminations and other unallocated expense decreased by $13 million in 2019 primarily due to timing of the elimination of profit on intercompany aircraft deliveries and expense allocations.
Net periodic benefit cost related to pension totaled $312 million, $523 million and $2,786 million in 2017, 2016 and 2015, respectively. The components of net periodic benefit cost are shown in the following table:
 Pension
Years ended December 31,2017
 2016
 2015
Service cost
$402
 
$604
 
$1,764
Interest cost2,991
 3,050
 2,990
Expected return on plan assets(3,847) (3,999) (4,031)
Amortization of prior service costs(39) 38
 196
Recognized net actuarial loss804
 790
 1,577
Settlement/curtailment/other losses1
 40
 290
Net periodic benefit cost
$312
 
$523
 
$2,786
The decreases in net periodic pension benefit costs of $211 million in 2017 and of $2,263 million in 2016 are primarily due to lower service costs reflecting the transition of employees in 2016 to defined contribution retirement savings plans. The decrease in 2016 costs is also due to lower amortization of actuarial losses which reflects actuarial gains in 2015 resulting from the year-end discount rate increase from 3.9% to 4.2%.
A portion of net periodic benefit cost is recognized in Earnings from operations in the period incurred and the remainder is included in inventory at the end of the reporting period and recorded in Earnings from operations in subsequent periods. Costs are allocated to the business segments as described in Note 21.

Net periodic benefit costs included in Earnings(Loss)/earnings from operations were as follows:
(Dollars in millions)Pension(Dollars in millions)Pension
Years ended December 31,2017
 2016
 2015
Years ended December 31,202020192018
Allocated to business segments
($1,759) 
($2,196) 
($1,945)Allocated to business segments($1,027)($1,384)($1,318)
Unallocated items, eliminations and other1,120
 217
 (421)
Total
($639) 
($1,979) 
($2,366)
Pension FAS/CAS service cost adjustmentPension FAS/CAS service cost adjustment1,024 1,071 1,005 
Net periodic benefit cost included in (Loss)/earnings from operationsNet periodic benefit cost included in (Loss)/earnings from operations($3)($313)($313)
The unallocated pension costsFAS/CAS service cost adjustment recognized in (Loss)/earnings from operations in 2020, 2019, and 2018 was largely consistent across all periods. The decrease in net periodic benefit cost included in (Loss)/earnings from operations in 2020 was primarily due to prior year service cost that was included in earnings in 20172019. The net periodic benefit cost included in (Loss)/earnings from operations in 2019 was a benefit of $1,120 million comparedconsistent with $217 million2018, as reductions in 2016. Thecurrent year service cost were offset by higher unallocated pension benefit recognized in earnings in 2017 primarily reflects the amortization of pension benefits capitalized as inventory in prior years. The unallocated pension costs recognized in earnings in 2016 was a benefit of $217 million compared with expense of $421 million in 2015. The 2016 benefit reflects the difference between the higher segment allocation comparedyear service costs.
For additional discussion related to the U.S. GAAP net periodic pension costs recognized in earnings in the current period.Postretirement Plans, see Note 16 to our Consolidated Financial Statements.


21


Other Earnings Items
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Earnings from operations
$10,278
 
$5,834
 
$7,443
Other income/(loss), net129
 40
 (13)
Interest and debt expense(360) (306) (275)
Earnings before income taxes10,047
 5,568
 7,155
Income tax expense(1,850) (673) (1,979)
Net earnings from continuing operations
$8,197
 
$4,895
 
$5,176
(Dollars in millions)
Years ended December 31,202020192018
(Loss)/earnings from operations($12,767)($1,975)$11,987 
Other income, net447 438 92 
Interest and debt expense(2,156)(722)(475)
(Loss)/earnings before income taxes(14,476)(2,259)11,604 
Income tax benefit/(expense)2,535 1,623 (1,144)
Net loss from continuing operations(11,941)(636)10,460 
Less: net loss attributable to noncontrolling interest(68)
Net (loss)/earnings attributable to Boeing Shareholders($11,873)($636)$10,460 
Other income, net increased by $89 million and $53$9 million in 20172020 primarily due to lower non-operating postretirement expense, partially offset by lower non-operating pension income, lower interest income and 2016,higher foreign exchange losses. Other income, net increased by $346 million in 2019 primarily due to higher gains from foreign exchangenon-operating pension income.
30

Non-operating pension income included in Other income, net was $340 million in 2020, $374 million in 2019, and $143 million in 2018. The decreased income in 2020 compared to 2019 was due to higher amortization of actuarial losses and lower asset returns, partially offset by lower interest income.cost. The increased income in 2019 compared to 2018 was due to lower amortization of actuarial losses, partially offset by lower asset returns and higher interest cost.
Non-operating postretirement expense included in Other income, net was $16 million in 2020, $107 million in 2019, and $101 million in 2018. The decreased expense in 2020 compared to 2019 was due to lower interest cost. The expense in 2019 was largely consistent with 2018.
Interest and debt expense increased by $54$1,434 million in 2017 as a result of lower capitalized interest2020 and increased by $31$247 million in 20162019 as a result of higher average debt balances.
Our effective income tax rates were 18.4%, 12.1% and 27.7% for the years ended December 31, 2017, 2016 and 2015, respectively. The Tax Cuts and Jobs Act, enacted in December 2017, reduced the 2017 effective tax rate by 10.5% and resulted in incremental tax benefits of $1,051 million, primarily related to the remeasurement of our U.S. net deferred tax liabilities to reflect the reduction in the corporate tax rate from 35% to 21%. Our 2016 effective tax rate was lower than the 2015 rate primarily due to lower pre-tax income in 2016 and discrete tax benefits of $617 million recorded in the third quarter of 2016 related to tax basis adjustments and the settlement of the 2011-2012 federal tax audit.

For additional discussion related to Income Taxes, see Note 4 to our Consolidated Financial Statements.

Total Costs and Expenses (“Cost of Sales”)
Cost of sales, for both products and services, consists primarily of raw materials, parts, sub-assemblies, labor, overhead and subcontracting costs. Our Commercial AirplanesBCA segment predominantly uses program accounting to account for cost of sales, BDS predominantly uses contract accounting and BGS uses contract accounting for defense contracts.sales. Under program accounting, cost of sales for each commercial airplane program equals the product of (i) revenue recognized in connection with customer deliveries and (ii) the estimated cost of sales percentage applicable to the total remaining program. Under contract accounting,For long-term contracts, the amount reported as cost of sales is determined by applyingrecognized as incurred. Substantially all contracts at our BDS segment and certain contracts at our BGS segment are long-term contracts with the estimated costU.S. government and other customers that generally extend over several years. Cost of sales percentage to the amount of revenue recognized.

for commercial spare parts is recorded at average cost.
The following table summarizes cost of sales:
(Dollars in millions)     (Dollars in millions)
Years ended December 31,2017
 2016
Change
 2016 2015Change
Years ended December 31Years ended December 3120202019Change20192018Change
Cost of sales
$76,066
 
$80,790

($4,724) 
$80,790
 
$82,088

($1,298)Cost of sales$63,843 $72,093 ($8,250)$72,093 $81,490 ($9,397)
Cost of sales as a % of revenues81.4% 85.4%(4.0%) 85.4% 85.4%0.0%Cost of sales as a % of revenues109.8 %94.2 %15.6 %94.2 %80.6 %13.6 %
Cost of sales in 2017 decreased by $4,724$8,250 million or 6%,in 2020 compared with 2016,2019, primarily due to lower reach-forward losses, delivery model mixrevenue in 2020, partially offset by higher charges in 2020 related to the 777X program, COVID-19 impacts, KC-46A Tanker program, abnormal production costs at BCA and improved performance at BCAseverance costs. Cost of sales as a percentage of Revenues increased in 2020 compared to 2019 primarily due to the reach-forward loss on the 777X program, impacts of the 737 MAX grounding and BDS.the COVID-19 pandemic, as well as severance costs.
Cost of sales in 2016 decreased by $1,298$9,397 million or 2%,in 2019 compared with 2015,2018, primarily due to lower volume across all segments, partially offset byrevenue and lower reach-forward losses. Cost of sales as a percentage of Revenues increased in 2019 primarily due to the 747 reach-forward losses at BCA.

737 MAX grounding.

31
22


Research and Development The following table summarizes our Research and development expense:
(Dollars in millions)     (Dollars in millions)
Years ended December 31,2017
 2016
 2015
Years ended December 31,202020192018
Commercial Airplanes
$2,247
 
$3,706
 
$2,311
Commercial Airplanes$1,385 $1,956 $2,188 
Defense, Space & Security834
 815
 902
Defense, Space & Security713 741 776 
Global Services140
 153
 113
Global Services138 121 161 
Other(42) (47) 5
Other240 401 144 
Total
$3,179
 
$4,627
 
$3,331
Total$2,476 $3,219 $3,269 
Research and development expense in 2017 decreased by $1,448$743 million in 2020 compared with 20162019 primarily due to the reclassification of $1,235 million of costs from inventory in the second quarter of 2016 related to the fourth and fifth 787 flight test aircraft as well as lower spending at BCA and at Boeing NeXt on the 737 MAX, 787-10, and 777X.product development.
Research and development expense decreased by $50 million in 2016 increased by $1,296 million2019 compared with 20152018 primarily due to the reclassification of $1,235 million of costs from inventory in the second quarter of 2016 related to the fourthlower spending on 777X and fifth 787 flight test aircraft and737 MAX, partially offset by higher spending on the 777X.product development at BCA and Boeing NeXt.
Backlog
Our backlog at December 31 was as follows:
(Dollars in millions)     (Dollars in millions)
Years ended December 31,2017
 2016
 2015
Years ended December 31,20202019
Commercial Airplanes
$421,345
 
$413,036
 
$429,346
Commercial Airplanes$281,588 $376,593 
Defense, Space & Security49,577
 44,825
 46,933
Defense, Space & Security60,847 63,691 
Global Services17,223
 15,631
 13,020
Global Services20,632 22,902 
Unallocated items, eliminations and otherUnallocated items, eliminations and other337 217 
Total Backlog
$488,145
 
$473,492
 
$489,299
Total Backlog$363,404 $463,403 
     
Contractual backlog470,241
 458,277
 476,595
Contractual backlog$339,309 $436,473 
Unobligated backlog17,904
 
$15,215
 
$12,704
Unobligated backlog24,095 26,930 
Total Backlog
$488,145
 
$473,492
 
$489,299
Total Backlog$363,404 $463,403 
Contractual backlog of unfilled orders excludes purchase options, announced orders for which definitive contracts have not been executed, and unobligated U.S. and non-U.S. government contract funding. The increase in contractual backlog during 2017 was primarily due to orders and funding in excess of deliveries. The decrease in contractual backlog during 20162020 was primarily due to a reduction for orders that in our assessment no longer meet the accounting requirements of Accounting Standards Codification (ASC) 606 for inclusion in backlog primarily due to 737 MAX and 777X, deliveries in excess of net orders.new orders, aircraft order cancellations and changes in projected price escalation. We are experiencing fewer new 737 MAX orders than we were receiving prior to the grounding. If 737 MAX aircraft remain grounded in certain jurisdictions for an extended period of time and/or if entry into service of the 777X, 737 MAX 7 and/or 737 MAX 10 is further delayed, we may experience additional reductions to backlog and/or significant order cancellations. Additionally, we may continue to experience fewer new orders and increased cancellations across all of our commercial airplane programs as a result of the COVID-19 pandemic and associated impacts on demand.
Unobligated backlog includes U.S. and non-U.S. government definitive contracts for which funding has not been authorized. The increasedecrease in unobligated backlog in 2017 and 20162020 was primarily due to contract awards, partially offset by reclassifications to contractual backlog related to BGS and BDS and BGS contracts.contracts, partially offset by contract awards.
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Additional Considerations
KC-46A TankerGlobal Trade We continually monitor the global trade environment in response to geopolitical economic developments, as well as changes in tariffs, trade agreements, or sanctions that may impact the company.
The global economy is currently experiencing significant adverse impacts due to the COVID-19 pandemic, including a decline in overall trade in general and in aerospace in particular. There is a great deal of uncertainty regarding the duration, scale, and localization of these impacts to the global economy and governments are enacting a wide range of responses to mitigate the unfolding economic impacts. We are closely monitoring the current impact and potential future economic consequences of COVID-19 to the global economy, the aerospace sector, and our Company. These adverse economic impacts have resulted in fewer orders than previously anticipated for our commercial aircraft.
China is a very significant market for commercial airplanes and represents a significant component of our commercial airplanes backlog.Since 2018, the U.S. and China imposed an escalating series of tariffs on each other’s imports. Certain aircraft parts and components that Boeing procures are subject to these tariffs. The U.S. and China entered into a Phase I agreement in January 2020. However, implementation of this agreement is incomplete and overall diplomatic relations between the U.S. and China have deteriorated. We continue monitoring developments for potential adverse impacts to the Company.
Beginning in June 2018, the U.S. Government has imposed tariffs on steel and aluminum imports. In 2011, we were awarded a contractresponse to these tariffs, several major U.S. trading partners have imposed, or announced their intention to impose, tariffs on U.S. goods. In May 2019, the U.S. Government, Mexico and Canada reached an agreement to end the steel and aluminum tariffs between these countries. Implementation of the U.S./Mexico/Canada Free Trade Agreement (USMCA) will also result in lower tariffs. We continue to monitor the potential for any extra costs that may result from the remaining global tariffs.
The U.S. Air Force (USAF)Government continues to design, develop, manufactureimpose and/or consider imposing sanctions on certain businesses and deliver four next generation aerial refueling tankers. individuals in Russia. Although our operations or sales in Russia have not been impacted to date, we continue to monitor additional sanctions that may be imposed by the U.S. Government and any responses from Russia that could affect our supply chain, business partners or customers.
The KC-46A Tanker is a derivativeU.S. and European Union (EU) have been engaged in two long-running disputes at the World Trade Organization (WTO) relating to large civil aircraft. As part of our 767 commercial aircraft. This Engineering, Manufacturing and Development (EMD) contract is a fixed-price incentive fee contract valued at $4.9those disputes, in October 2019, the WTO authorized the U.S. to impose approximately $7.50 billion and involves highly complex designs and systems integration. In 2015, we began workin annual tariffs on low rate initial production (LRIP) aircraft forEU products in connection with the USAF. During the third quarterEU’s provision of 2016, following our achievementeight instances of key flight testing milestones, the USAF authorized two LRIP lots for 7 and 12 aircraft valued at $2.8 billion. On January 27, 2017, the USAF authorized an additional


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LRIP lot for 15 aircraft valued at $2.1 billion.launch aid subsidies to Airbus. The contract contains production options for both LRIP aircraft and full rate production aircraft. If all options under the contract are exercised, we expect to deliver 179 aircraft for a total expected contract value of approximately $30 billion. The EMD contractU.S. is currently in the certification and flight testing phases and we expect 18 fully operational aircraft to be delivered in 2018.
During 2016 and 2015, we recorded reach-forward losses of $1,128 million and $835 million related to the EMD contract and LRIP aircraft. During 2017, we recorded further reach-forward losses of $471 million primarily reflecting higher estimated costs associated with certification and incorporating changesimposing 15% tariffs on new Airbus airplanes imported into LRIP aircraft. As with any development program, this program remains subject to additional reach-forward losses or delivery delays if we experience further production, technical or quality issues, delays in certification and/or flight testing.
Export-Import Bank of the United States Many of our non-U.S. customers finance purchases through the Export-Import Bank of the United States. Following the expiration of the bank’s charter on June 30, 2015, the bank’s charter was reauthorized in December 2015. The bank is now authorized through September 30, 2019. However, until the U.S. Senate confirms members sufficientas well as fuselages that Airbus manufactures in Europe and imports into the U.S. In October 2020, the WTO authorized the EU to reconstituteimpose approximately $3.99 billion in annual tariffs on U.S. products in connection with a quorum oftax incentive used by Boeing in Washington state that has since been repealed. The EU is currently imposing 15% tariffs on Boeing airplanes imported into the bank’s board of directors, the bankEU. We will not be ablecontinue to approve any transaction totaling more than $10 million. As a result, we may fund additional commitments and/or enter into new financing arrangements with customers. Certain of our non-U.S. customers also may seek to delay purchases if they cannot obtain financing at reasonable costs,assess and there may be further impacts with respect to future sales campaigns involving non-U.S. customers. We continue to work with our customers on the possible impact of these tariffs, as deliveries to mitigate risks associated with the lackEuropean customers are expected to increase in 2021.

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Table of a quorum of the bank’s board of directors and assist with alternative third party financing sources.Contents
Segment Results of Operations and Financial Condition
Commercial Airplanes
Business Environment and Trends
Airline Industry Environment Global economic growth,See Overview to Management’s Discussion and Analysis of Financial Condition and Results of Operations for a primary driver for air travel, has returned todiscussion of the long-term averageimpacts of approximately 3%. Passenger traffic in 2017 is estimated to grow by more than 7%, exceeding the long-term trend of approximately 5%. While growth was strong across all major world regions, there continues to be variation between regions and airline business models. Airlines operating in the Asia Pacific regions and Europe, as well as low-cost-carriers globally, are currently leading the growth in passenger traffic. Air cargo traffic growth, buildingCOVID-19 on the recovery that started in 2016, is expected to exceed 9% in 2017, driven by strong trade and industrial production in all regions.airline industry environment.
Airline financial performance also plays a role in the demand for new capacity. Airlines continue to focus on increasing revenue through alliances, partnerships, new marketing initiatives, and effective leveraging of ancillary services and related revenues. Airlines are also focusing on reducing costs and renewing fleets to leverage more efficient airplanes. Net profits in 2017 are expected to approximate $35 billion, consistent with 2016.
Industry CompetitivenessThe long-term outlook for the industry continues to remain positive dueadjust to the fundamental drivers of air travel growth:unprecedented COVID-19 shock and subsequent economic growthimpact, government restrictions, and the increasing propensity to travel due to increased trade, globalization, and improved airline services driven by liberalization of air traffic rights between countries. Our 20-year forecast projects a long-term average growth rate of 4.7% per year for passenger traffic and 4.2% for cargo traffic. Based on long-term global economic growth projections of 2.8% average annual GDP growth, we project a $6.1 trillion market for approximately 41,030 new airplanes over the next 20 years.
The industry remains vulnerable to exogenous developments including fuel price spikes, credit market shocks, acts of terrorism, natural disasters, conflicts, epidemics and increased global environmental regulations.


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Industry Competitiveness The commercial jet airplane market and the airline industry both remain extremely competitive. Market liberalizationWhile the impacts and responses have varied globally, the reduction of demand and disruption in Europe,production has adversely impacted most manufacturers in the Middle East and Asia is enabling low-cost airlines to continue gaining market share. These airlines are increasing the pressure on airfares. This results in continued cost pressures for all airlines and price pressure on our products. Major productivity gains are essential to ensure a favorable market position at acceptable profit margins.commercial airplane industry.
Continued access to global markets remains vital to our ability to fully realize our sales potential and long-term investment returns. Approximately 91%80% of Commercial Airplanes’ total backlog, in dollar terms, is with non-U.S. airlines.
We face aggressive international competitors who are intent on increasing their market share. They offer competitive products and have access to most of the same customers and suppliers. The grounding of the 737 MAX and the associated suspension of 737 MAX deliveries significantly reduced our market share with respect to deliveries of single aisle aircraft in 2019 and 2020 and may provide competitors with an opportunity to obtain more orders and increase market share. With government support, Airbus has historically invested heavily to create a family of products to compete with ours. Regional jet makers Embraer and Bombardier continue to develop and market larger and increasingly more capable airplanes, including Embraer’s E-195 inAfter the regional jet market andacquisition of a majority share of Bombardier’s C Series (now A220) in 2018, Airbus continues to expand in the 100-150 seat transcontinental market. Additionally, otherOther competitors from Russia, China and Japan are also in different phases of developing commercial jet aircraft. Some of these competitors have historically enjoyed access to government-provided financial support, including “launch aid,” which greatly reduces the cost and commercial risks associated with airplane development activities. This has enabled the development of airplanes without broad commercial viability; others to be brought to market more quickly than otherwise possible; and many offered for sale below market-based prices. Many competitors have continuedCompetitors continue to make improvements in efficiency, which may result in funding product development, gaining market share and improving earnings. This market environment has resulted in intense pressures on pricing and other competitive factors, and we expect these pressures to continue or intensify in the coming years.
We are focused on improving our products and services and continuing our cost-reductionbusiness transformation efforts, which enhances our ability to compete.compete and positions us for market recovery. We are also focused on taking actions to ensure that Boeing is not harmed by unfair subsidization of competitors.
Results of Operations
34
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Revenues
$56,729
 
$58,012
 
$59,399
% of total company revenues61% 61% 62%
Earnings from operations
$5,432
 
$1,995
 
$4,284
Operating margins9.6% 3.4% 7.2%
Research and development
$2,247
 
$3,706
 
$2,311
Revenues
Commercial Airplanes revenues decreased by $1,283 million or 2% in 2017 compared with 2016 due to delivery mix, with fewer twin aisle deliveries more than offsetting the impact of higher single aisle deliveries. Commercial Airplanes revenues decreased by $1,387 million or 2% in 2016 compared with 2015 primarily due to fewer deliveries.


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Results of Operations
(Dollars in millions)
Years ended December 31,202020192018
Revenues$16,162 $32,255 $57,499 
% of total company revenues28 %42 %57 %
(Loss)/earnings from operations($13,847)($6,657)$7,830 
Operating margins(85.7)%(20.6)%13.6 %
Research and development$1,385 $1,956 $2,188 
Revenues
BCA revenues decreased by $16,093 million in 2020 compared with 2019 due to lower deliveries primarily driven by the impacts of the COVID-19 pandemic, 787 production issues and the 737 MAX grounding. This was partially offset by lower charges related to estimated potential concessions and other considerations to 737 MAX customers of $498 million in 2020 compared with $8,259 million in 2019.
BCA revenues decreased by $25,244 million in 2019 compared with 2018 driven by lower 737 MAX deliveries and a revenue reduction of $8,259 million that was recorded in 2019 for estimated potential concessions and other considerations to customers related to the 737 MAX grounding, net of $500 million of insurance recoveries.
While we resumed deliveries of 737 MAX aircraft in December 2020, the 737 MAX grounding is still in effect in certain non-U.S. jurisdictions. The 737 MAX grounding will continue to have a significant impact on future revenues until deliveries ramp up, and COVID-19 will continue to have a significant impact on future revenues until the commercial airline industry recovers.
Commercial Airplanes deliveries as of December 31 were as follows:
737 *747 767 *777 787 Total
2020
Cumulative deliveries7,4821,5601,2061,653992
Deliveries43(14)530(11)2653157
2019
Cumulative deliveries7,4391,5551,1761,627939
Deliveries127(19)743(23)45(2)158380
2018
Cumulative deliveries7,3121,5481,1331,582781
Deliveries580(18)6

27(10)48145806
 737
*747
767
 777
 787
Total
2017          
Cumulative deliveries6,732
 1,542
 1,106
 1,534
 636
 
Deliveries529
(17) 
14
(1) 
10
 74
 136
763
2016          
Cumulative deliveries6,203 1,528 1,096 1,460 500 
Deliveries490
(19) 
9
(3) 
13 99 137748
2015          
Cumulative deliveries5,713 1,519 1,083 1,361 363 
Deliveries495
(15) 
18
(3) 
16 98 135762
* Intercompany deliveries identified by parentheses
† Aircraft accounted for as revenues by BCA and as operating leases in consolidation identified by parentheses

Loss/Earnings From Operations
EarningsBCA loss from operations was $13,847 million in 2017 increased by $3,437 million2020 compared with 2016.loss from operations of $6,657 million in 2019. The increase2020 loss reflects the reach-forward loss on 777X of $6,493 million, lower deliveries and lower program margins resulting from the COVID-19 pandemic and 787 production issues and associated rework, $2,567 million of abnormal production costs related to 737 MAX, $623 million of
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severance cost, $498 million of 737 MAX customer considerations, $336 million related to 737NG frame fitting component repair costs and $270 million of abnormal production costs in the first half of 2020 from the temporary suspension of operations in response to COVID-19, partially offset by lower research and development spending. Lower 787 margins reflecting a reduction in the accounting quantity in the first quarter of 2020 also contributed to lower earnings. The 2019 loss primarily reflects the absence of 737 MAX deliveries in the second, third and fourth quarters of 2019 and charges of $8,259 million for estimated 737 MAX customer considerations.
BCA loss from operations was $6,657 million in 2019 compared with earnings and operating marginsfrom operations of $7,830 million in 2018. The decrease of $14,487 million is primarily due to lower reach-forward losses, lower research737 deliveries and development costs and improved margins reflecting favorable cost performance, which more than offset the impact of lower revenues.
Earnings from operations in 2016 decreased by $2,289 million compared with 2015. The decrease in earnings and operating margins is primarily due to higher research and development costs of $1,395 million, delivery mix and higher reach-forward losses on the 747 program of $1,258 million compared with $885 million in 2015. Research and development expense in 2016 reflect the reclassification from inventory to research and development expense of $1,235 millioncharges related to the fourth737 MAX.
The 737 MAX grounding and fifth 787 flight test aircraftthe COVID-19 pandemic will continue to have a significant adverse impact on future earnings and higher planned spending relatedmargins until 737 MAX deliveries ramp up and wide-body deliveries return to the 777X program.historical levels.
Reach-forward losses of $378 million, $772 million and $513 million were recorded related to the KC-46A Tanker in 2017, 2016 and 2015, respectively. During 2016 and 2015, we recorded reach-forward losses on the 747 program of $1,258 million and $885 million.Backlog
Backlog
FirmOur total backlog represents orders for productsthe estimated transaction prices on unsatisfied and servicespartially satisfied performance obligations to our customers where we believe it is probable that we will collect the consideration due and where no contingencies remain before we and the customer are required to perform. Backlog does not include prospective orders where customer controlled contingencies remain, such as the customer receiving approval from its board of directors, shareholders or government or completing financing arrangements. All such contingencies must be satisfied or have expired prior to recording a new firm order even if satisfying such conditions is highly certain. Firm backlogBacklog excludes options.options and BCC orders. A number of our customers may have contractual remedies, that may be implicated by program delays.including rights to reject individual airplane deliveries if the actual delivery date is significantly later than the contractual delivery date. We address customer claims and requests for other contractual relief as they arise. However, once orders are included in firm backlog, orders remain in backlog until canceled or fulfilled, although theThe value of orders in backlog is adjusted as changes to price and schedule are agreed to with customers.customers and is reported in accordance with the requirements of Topic 606.
BCA total backlog was $421,345 million, $413,036 million and $429,346of $281,588 million at December 31, 2017, 20162020 decreased from $376,593 million at December 31, 2019, reflecting a reduction for orders that in our assessment no longer meet the accounting requirements of ASC 606 for inclusion in backlog, aircraft order cancellations, changes in projected price escalation and 2015, respectively. The increase in 2017 was primarily due to net orders in excess of deliveries. The decrease in 2016 was primarily due to deliveries in excess of netnew orders. Aircraft order cancellations during the year ended December 31, 2020 totaled $34,618 million and primarily relate to 737 MAX aircraft. The ASC 606 adjustments for the year ended December 31, 2020 totaled $54,450 million and primarily relate to 737 MAX aircraft and 777X aircraft. The ASC 606 adjustments include aircraft orders where a customer controlled contingency now exists, as well as orders where we can no longer assert that the customer is committed to perform or that it is probable that the customer will pay the full amount of consideration when it is due. If 737 MAX aircraft remain grounded in certain jurisdictions for an extended period of time and/or if entry into service of the 777X, 737 MAX 7 and/or 737 MAX 10 is further delayed, we may experience additional reductions to backlog and/or significant order cancellations. Additionally, we may continue to experience fewer new orders and increased cancellations across all of our commercial airplane programs as a result the COVID-19 pandemic and associated impacts on demand.


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Accounting Quantity The accounting quantity is our estimate of the quantity of airplanes that will be produced for delivery under existing and anticipated contracts. The determination of the accounting quantity is limited by the ability to make reasonably dependable estimates of the revenue and cost of existing and anticipated contracts. It is a key determinant of the gross margins we recognize on sales of individual airplanes throughout a program’s life. Estimation of each program’s accounting quantity takes into account several factors that are indicative of the demand for that program, including firm orders,
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letters of intent from prospective customers and market studies. We review our program accounting quantities quarterly.
The accounting quantity for each program may include units that have been delivered, undelivered units under contract, and units anticipated to be under contract in the reasonable future (anticipated orders). In developing total program estimates, all of these items within the accounting quantity must be considered.
The following table provides details of the accounting quantities and firm orders by program as of December 31. Cumulative firm orders represent the cumulative number of commercial jet aircraft deliveries plus undelivered firm orders. Firm orders include military derivative aircraft that are not included in program accounting quantities. All revenues and costs associated with military derivative aircraft production are reported in the BDS segment.
Program
737 747*767 777 777X787 
2020
Program accounting quantities10,0001,5741,2071,700350 1,500
Undelivered units under firm orders3,28287541191458(22)
Cumulative firm orders10,7641,5681,2811,6941911,450
2019






Program accounting quantities10,4001,5741,1951,690**1,600
Undelivered units under firm orders4,398179468309520(29)
Cumulative firm orders11,8371,5721,2701,6953091,459
2018
Program accounting quantities10,4001,5741,1951,680**1,600
Undelivered units under firm orders4,708(75)24111100(2)326604(30)
Cumulative firm orders12,0201,5721,2441,6823261,385
 Program
 737
 747* 767
 777
 777X 787
2017           
Program accounting quantities9,800
 1,570 1,171
 1,625
 ** 1,400
Undelivered units under firm orders4,668
 12 98
 102
 326 658
Cumulative firm orders11,400
 1,554 1,204
 1,636
 326 1,294
2016           
Program accounting quantities9,000
 1,555 1,159
 1,625
 ** 1,300
Undelivered units under firm orders4,452
 28 93
 136
 306 700
Cumulative firm orders10,655
 1,556 1,189
 1,596
 306 1,200
2015           
Program accounting quantities8,400
 1,574 1,147
 1,650
 ** 1,300
Undelivered units under firm orders4,392
 20 80
 218
 306 779
Cumulative firm orders10,105
 1,539 1,163
 1,579
 306 1,142
Aircraft ordered by BCC are identified in parentheses.
* At December 31, 2017,2020, the 747 accounting quantity includes one already completed aircraft whichthat has not been sold and is being remarketed.
** The accounting quantitySee 777 and 777X Programs for discussion of the 777X will be determined in the year of first airplane delivery, targeted for 2020.accounting quantity.
Program Highlights
737 Program The We reduced the program accounting quantity for the 737 program increasedfrom 10,400 at December 31, 2019 to 10,000 at March 31, 2020. This reflects a slower than previously planned production rate ramp-up caused by 800 units during 2017commercial airline industry uncertainty due to the programs normal progressimpact of obtaining additional orders and delivering airplanes. We are currently producing at a rate of 47 per month and plan to increase to 52 per month in 2018. We plan toCOVID-19. See further increase the rate to 57 per month in 2019. We delivered the first 737 MAX 8 in May 2017 and announced the launchdiscussion of the 737 MAX 10Grounding and COVID-19 Impacts and Product Warranties in June 2017.Note 13 to our Consolidated Financial Statements.
747 Program During the fourth quarter of 2017, we received firm orders and commitments for 15 aircraft and we increased the program accounting quantity by 15 aircraft. The program accounting quantity now includes aircraft scheduled to be produced through 2021. We are currently producing at a rate of 0.5 aircraft per month, having reduced the rate from 1.0 per month in September 2016. In 2016 and 2015, we recorded reach-forward losses of $1,258 million and $885 million as lower than expected demand for large commercial passenger and freighter aircraft and slower-than-expected growth of global freight traffic


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resulted in lower anticipated revenues from future sales and higher costs to produce fewer airplanes.month. We continue to evaluate the viabilitywill complete production of the 747 program and it is reasonably possiblein 2022. We believe that we could decide to endending production of the 747.747 will not have a material impact on our financial position, results of operations or cash flows.
767 Program The accounting quantity for the 767 program increased by 12 units during the third quarter of 20172020 due to the program's normal progress of obtaining additional orders and delivering airplanes. The 767 assembly line includes the commercial program and a 767 derivative to support the tanker program. The combined tankerWe are currently producing at a rate of 3 aircraft per month.
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777 and commercial production rate increased from 2 per month to 2.5 per month in the third quarter of 2017.
777 Program We implemented a planned production rate decrease from 8.3 per month to 7 per month during the first quarter of 2017. We further reduced the rate to 5 per month in the third quarter of 2017. In the fourth quarter of 2013, we launched the 777X which features a new composite wing, new engines and folding wing-tips. The 777X will have a separate program accounting quantity, which will be determined in the year of first airplane delivery, targeted for 2020.
787 ProgramPrograms The accounting quantity for the 787777 program increased by 10010 units during the third quarter of 20172020 due to the program’s normal progress of obtaining additional orders and delivering airplanes. The production rate expectation for the combined 777/777X program remains at 2 per month in 2021.
In 2013, we launched the 777X-8 and 777X-9, which feature new composite wings, new engines and folding wing-tips. The first flight of the 777X was completed during the first quarter of 2020.
During the first three quarters of 2020, we made adjustments to our estimates regarding timing of 777X entry into service and market demand. As previously disclosed, market uncertainties driven primarily by the impacts of COVID-19 resulted in lower planned production rates and created significant pressure on the 777X program’s revenue and cost estimates. While the 777X program did not have a reach-forward loss as of the third quarter of 2020 based on our assessment of the probable range of initial accounting quantities and other factors at that time, we noted that future levels of 777X profitability would be subject to a number of factors, including continued market uncertainty, the impacts of COVID-19 on our production system as well as on our supply chain and customers, subsequent production rate reductions for both 777X and other commercial programs, and potential risks associated with the testing program and the timing of 777X certification.
We now anticipate that the first 777X delivery will occur in late 2023. We also recorded a $6.5 billion reach-forward loss on the 777X program in the fourth quarter of 2020. The revised schedule and the reach-forward loss reflect a number of factors, including an updated assessment of global certification requirements informed by continued discussions with regulators and resulting in a management decision to make modifications to the aircraft’s design, an updated assessment of COVID-19 impacts on market demand, and discussions with our customers with respect to aircraft delivery timing. These factors resulted in adjustments to production rates and the program accounting quantity, increased change incorporation costs, and associated customer and supply chain impacts.
The timing of the certification will ultimately be determined by the regulators, and further determinations with respect to anticipated certification requirements could result in additional delays in entry into service and/or additional cost increases.
The level of profitability on the 777X program will be subject to a number of factors. These factors include continued market uncertainty, the impacts of COVID-19 on our production system as well as impacts on our supply chain and customers, further production rate adjustments for the 777X or other commercial aircraft programs, contraction of the accounting quantity and potential risks associated with the testing program and the timing of aircraft certification. One or more of these factors could result in additional reach-forward losses on the 777X program in future periods.
787 Program During 2020, we experienced significant reductions in deliveries due to the impacts of COVID-19 on our customers as well as production issues and associated rework. The 787 program delivered four airplanes during the fourth quarter of 2020 and has a large number of undelivered airplanes in inventory at December 31, 2020. We expanded the scope of production inspections during the fourth quarter of 2020, and those inspections and associated rework are delaying scheduled deliveries and resulting in additional 787 aircraft in inventory. At December 31, 2020, we had approximately 80 787 aircraft in inventory. We expect deliveries to resume at a slow pace in early 2021, with the majority of the aircraft in inventory expected to be delivered by the end of 2021. We continue to work with customers to facilitate deliveries. We are currentlyimplementing changes in the production process designed to ensure that newly-built airplanes meet our specifications and do not require further inspections. Pre-COVID-19, we were producing at a rate of 14 per month and had planned to adjust the 787 production rate to 12 per month in late 2020 and plan to increase to 1410 per month in 2019. First deliveryearly 2021. Due to the impacts of COVID-19 on customer demand, we now plan to reduce to 5 per month in 2021. As a result of the 787-10 derivative aircraft is targetedplanned production rate changes, we reduced the accounting quantity for 2018.the 787 program by 100 units during the first quarter of 2020. The 787 program has near breakeven gross margins due to the
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reductions in the production rates and the reduction in the program accounting quantity. If we are required to further reduce the accounting quantity and/or production rates, experience further delivery delays, or experience other factors that could result in lower margins, the program could record a reach-forward loss in future periods. We made the decision during the third quarter of 2020 to consolidate 787 production in South Carolina in 2021, which did not have a significant financial impact on the program.
Fleet Support We provide the operators of our commercial airplanes with assistance and services to facilitate efficient and safe airplane operation. Collectively known as fleet support services, these activities and services begin prior to airplane delivery and continue throughout the operational life of the airplane. They include flight and maintenance training, field service support, engineering services, information services and systems and technical data and documents. The costs for fleet support are expensed as incurred and have historically been approximately 1.0%1% of total consolidated costs of products and services.
Program Development The following chart summarizes the time horizon between go-ahead and planned initial delivery for major Commercial Airplanes derivatives and programs.
Go-ahead and Initial DeliveryGo-ahead and Initial Delivery  Go-ahead and Initial Delivery
  
737 MAX 72011 2019 737 MAX 720112021
  
737 MAX 82011 2017  
  
737 MAX 92011 2018  
  
737 MAX 10 2017 2020737 MAX 1020172023
  
787-10 2013 2018  
  
777X 2013 2020777X20132023
  
Reflects models in development during 20172020
We launched the 737 MAX 7 8, 9 in August 2011 and the 737 MAX 10 in June 2017. We launched the 787-10 in June 2013 and the 777X in November 2013. We now anticipate that the first 737 MAX 10 and 777X delivery will occur in 2023. This schedule reflects a number of factors, including an updated assessment of global certification requirements informed by continued discussions with regulators and resulting in a management decision to make modifications to the aircraft’s design.


Additional Considerations
The development and ongoing production of commercial aircraft is extremely complex, involving extensive coordination and integration with suppliers and highly-skilled labor from employees and other partners. Meeting or exceeding our performance and reliability standards, as well as those of customers and regulators, can be costly and technologically challenging. In addition, the introduction of new aircraft and derivatives, such as the 787-10777X and 777X,737 MAX derivatives, involves increased risks associated with meeting development, production and certification schedules. These challenges include increased global regulatory scrutiny of all development aircraft in the wake of the 737 MAX accidents. As a result, our ability to deliver aircraft on time, satisfy performance and reliability standards and achieve or maintain, as applicable, program profitability is subject to significant risks. Factors that could result in lower margins (or a material charge if an airplane program has or is determined to have reach-forward losses) include the following: changes to the program accounting


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quantity, customer and model mix, production costs and rates, changes to price escalation factors due to changes in the inflation rate or other economic indicators, performance or reliability issues involving completed aircraft, capital expenditures and other costs associated with increasing or adding new production capacity, learning curve, additional change incorporation, achieving anticipated cost reductions, the addition of regulatory requirements in connection with certification in one or more jurisdictions, flight test and certification schedules, costs, schedule and demand for new airplanes and derivatives and status of customer claims, supplier claims or assertions and other contractual negotiations. While we believe the cost and revenue estimates incorporated in the consolidated financial statements are appropriate, the technical complexity of our airplane programs creates financial risk as additional completion costs may become
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necessary or scheduled delivery dates could be extended, which could trigger termination provisions, order cancellations or other financially significant exposure.
Defense, Space & Security
Business Environment and Trends
United States Government Defense Environment Overview
In November 2017, Congress passedThe Omnibus appropriations acts for FY21, enacted in December 2020, provided FY21 appropriations for government departments and agencies, including the United States Department of Defense (U.S. DoD), the National Defense Authorization Act for fiscal year 2018 (FY2018), which authorizes a U.S. DoD budget topline higher than the administration’s budget request from May. While the appropriations process for FY2018 remains incomplete, both the HouseAeronautics and Senate appropriations committees have also produced bills that increase the U.S. DoD budget topline above the administration’s request. On February 9, 2018, Congress passed a fifth Continuing Resolution that maintains current funding levels through March 23, 2018 and includes increases to the Budget Control Act caps for defense and non-defense spending for FY2018 and FY2019. However, the Budget Control Act continues to mandate limits on U.S. government discretionary spending and remains in effect. As a result, continued budget uncertaintySpace Administration (NASA) and the risk of future sequestration cuts will remain unless Congress acts to repeal or suspend this law.Federal Aviation Administration.

Funding timeliness also remains a risk. If Congress is unable to passThe enacted FY21 appropriations bills or an omnibus spending bill beforeincluded funding for Boeing’s major programs, such as the expiration of the current Continuing Resolution, a government shutdown could result which may have impacts aboveF/A-18 Super Hornet, F-15EX, CH-47 Chinook, AH-64 Apache, V-22 Osprey, KC-46A Tanker, P-8 Poseidon and beyond those resulting from budget cuts, sequestration impacts or program-level appropriations. For example, requirements to furlough employees in the U.S. DoD, the Department of Transportation, or other government agencies could result in payment delays, impair our ability to perform work on existing contracts, and/or negatively impact future orders.

In addition,Space Launch System. However, there continues to be uncertainty with respect to future program-level appropriations for the U.S. DoD and other government agencies, including the National Aeronautics and Space Administration (NASA), within the overall budgetary framework described above.NASA. Future budget cuts or investment priority changes, including changes associated with the authorizations and appropriations process, could result in reductions, cancellations and/or delays of existing contracts or programs. Any of these impacts could have a material effect on theour results of the Company’s operations, financial position and/or cash flows.
Non-U.S. Defense Environment Overview The non-U.S. market continues to be driven by complex and evolving security challenges and the need to modernize aging equipment and inventories. BDS expects that it will continue to have a wide range of opportunities across Asia, Europe and the Middle East given the diverse regional threats. At the end of 2017, 40%2020, 31.8% of BDS backlog was attributable to non-USnon-U.S. customers.


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Results of Operations
(Dollars in millions)     (Dollars in millions)
Years ended December 31,2017
 2016
 2015
Years ended December 31,202020192018
Revenues
$21,057
 
$22,563
 
$23,708
Revenues$26,257 $26,095 $26,300 
% of total company revenues23% 24% 25%% of total company revenues45 %34 %26 %
Earnings from operations
$2,223
 
$1,966
 
$2,312
Earnings from operations$1,539 $2,615 $1,692 
Operating margins10.6% 8.7% 9.8%Operating margins5.9 %10.0 %6.4 %
Since our operating cycle is long-term and involves many different types of development and production contracts with varying delivery and milestone schedules, the operating results of a particular year, or year-to-year comparisons of revenues, earnings and backlogperiod, may not be indicative of future operating results. In addition, depending on the customer and their funding sources, our orders might be structured as annual follow-on contracts, or as one large multi-year order or long-term award. As a result, period-to-period comparisons of backlog are not necessarily indicative of future workloads. The following discussions of comparative results among periods should be viewed in this context.
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Deliveries of units for new-build production aircraft, including remanufactures and modifications were as follows:
Years ended December 31,2017
 2016
 2015
Years ended December 31,202020192018
F/A-18 Models23
 25
 35
F/A-18 Models20 23 17 
F-15 Models16
 15
 12
F-15 Models4 11 10 
C-17 Globemaster III

 4
 5
C-17 Globemaster III
CH-47 Chinook (New)9
 25
 41
CH-47 Chinook (New)27 13 13 
CH-47 Chinook (Renewed)35
 25
 16
CH-47 Chinook (Renewed)3 22 17 
AH-64 Apache (New)11
 31
 23
AH-64 Apache (New)19 37 
AH-64 Apache (Remanufactured)57
 34
 38
AH-64 Apache (Remanufactured)52 74 23 
KC-46A TankerKC-46A Tanker14 28 
P-8 Models19
 18
 14
P-8 Models15 18 16 
AEW&C
 

 1
C-40A

 1
 1
C-40A
Total170
 178
 186
Total154 229 96 
New-build satellite deliveries were as follows:
Years ended December 31,202020192018
Commercial and civil satellites21
Military satellites1
Years ended December 31,2017 2016 2015
Commercial and civil satellites3 5 3
Military satellites1 2 1
Revenues
BDS revenues in 2017 decreased2020 increased by $1,506$162 million compared with 2016 primarily due to fewer C-17 deliveries, lower milestone revenue on satellite programs,2019 reflecting higher revenues from fighter aircraft, Space Launch System, B-52 upgrades, proprietary and the mix of deliveries on the Apache and F-15 programs,MQ-25, partially offset by higherreduced volume on various weapons programs.
BDS revenues in 2016 decreased by $1,145 million compared with 2015 primarily due to lower milestone revenue on government satellite programs, fewer C-17 deliveries, lower Commercial Crew revenue, as well as timing and mix of CH-47 Chinook deliveries, partiallymissile defense. These net increases were offset by higher revenue on several modifications and upgrades programs.


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Earnings From Operations
BDS earnings from operations in 2017 increased by $257 million compared with 2016 primarily due to lower charges on the KC-46A Tanker and Commercial Crew programs, which more than offset the impact of fewer C-17 deliveries and Apache delivery mix. Higher earnings reflect the favorable impact of cumulative catch-up adjustments which were $541 million higher in 2017 than in 2016, primarily driven by lower charges.
BDS earnings from operations in 2016 decreased by $346 million compared with 2015, primarily due to lower earnings on the Commercial Crew program, driven by a charge of $162 million during the third quarter of 2016, as well as lower volume and mix on the CH-47 Chinook program. Lower earnings include the unfavorable impact of cumulative contract catch-up adjustments, which were $441was $312 million higher than 2015,the comparable period in the prior year, largely due to the KC-46A Tanker charges during 2020.
BDS revenues in 2019 decreased by $205 million compared with 2018 primarily due to timing associated with non-U.S. contract awards for fighters and the final C-17 sale occurring in 2018; in addition, the unfavorable impact of cumulative contract catch-up adjustments was $163 million higher than the prior year, reflecting increased unfavorable adjustments on the Commercial Crew contract and less favorable performance. These were partially offset by increases from new programs, including E-7 early warning aircraft, VC-25B, T-7A Red Hawk, and MQ-25, as well as from satellites and weapons.
Earnings From Operations
BDS earnings from operations in 2020 decreased by $1,076 million compared with 2019 primarily due to the unfavorable impact of cumulative contract catch-up adjustments, which was $828 million higher than the prior year, largely due to charges of $1,320 million on KC-46A Tanker and $168 million on VC-25B, offset by $489 million in 2016charges on Commercial Crew in the prior period. The lower earnings in 2020 also reflect lower gains on property sales compared to the same period in 2019. These current period decreases were partially offset by the volume increases described above.
The KC-46A Tanker reach-forward loss of $1,320 million reflects $551 million of costs associated with the agreement signed in April 2020 with the U.S. Air Force to develop and integrate a new Remote Vision System, and the remaining costs reflect production inefficiencies including impacts of COVID-19 disruption. The $168 million reach-forward loss on VC-25B recorded in the first quarter was associated
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with engineering inefficiencies from the COVID-19 environment. We believe these inefficiencies will result in staffing challenges, schedule inefficiencies, and higher costs in the upcoming phases of the program.
BDS earnings from operations in 2019 increased by $923 million compared with 2018 primarily due to the absence of favorable F-15 program$691 million related to losses on the T-7A Red Hawk and MQ-25 contracts. The unfavorable impact of cumulative contract catch-up adjustments in 2019 was $62 million lower than the prior year. In 2019, BDS recorded charges of $489 million related to Commercial Crew and $148 million related to KC-46A Tanker compared with $736 million in 2015.2018.
BDS earnings from operations include equity earnings of $183$141 million, $249$128 million and $202$147 million primarily from our ULA and non-U.S. joint ventureventures in 2017, 20162020, 2019 and 2015.
During 2017, 2016 and 2015, BDS recorded charges related to the KC-46A Tanker contract of $93 million, $356 million and $322 million.2018, respectively.
Backlog
Total backlog of $49,577$60,847 million at December 31, 2017 increased by 11% from2020 was $2,844 million lower than December 31, 2016, primarily2019 due to current year contractthe timing of awards for the F-15 and Apache programs, partially offset by revenue recognized on contracts awarded in prior years.recognized.
Total backlog of $44,825 million at December 31, 2016 decreased by 4% reflecting revenue recognized on contracts awarded in prior years, partially offset by current year contract awards for satellite, P-8, weapons, Apache and CH-47 Chinook programs.
Additional Considerations
Our BDS business includes a variety of development programs which have complex design and technical challenges. Many of these programs have cost-type contracting arrangements. In these cases, the associated financial risks are primarily in reduced fees, lower profit rates or program cancellation if cost, schedule or technical performance issues arise. Examples of these programs include Ground-based Midcourse Defense,, Proprietary and Space Launch System programs.
Some of our development programs are contracted on a fixed-price basis.basis, and BDS customers are increasingly seeking fixed-price proposals for new programs. Examples of significant fixed-price development programs include Commercial Crew, KC-46A Tanker, MQ-25, T-7A Red Hawk, VC-25B, and commercial and military satellites. New programs could also have risk for reach-forward loss upon contract award and during the period of contract performance. Many of thesedevelopment programs have highly complex designs. As technical or quality issues arise during development, we may experience schedule delays and cost impacts, which could increase our estimated cost to perform the work or reduce our estimated price, either of which could result in a material charge or otherwise adversely affect our financial condition. These programs are ongoing, and while we believe the cost and fee estimates incorporated in the financial statements are appropriate, the technical complexity of these programs creates financial risk as additional completion costs may become necessary or scheduled delivery dates could be extended, which could trigger termination provisions, the loss of satellite in-orbit incentive payments, or other financially significant exposure. These programs have risk for reach-forward losses if our estimated costs exceed our estimated contract revenues. Examples of significant fixed-price development programs include KC-46A Tanker, Commercial Crew, Saudi F-15, and commercial and military satellites.
KC-46A Tanker See the discussion of the USAF KC-46A Tanker program on page 23.


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United Launch Alliance See the discussion of Indemnifications to ULA and Financing Commitments in Notes 6, 11, and 12 to our Consolidated Financial Statements.
F/A-18 See the discussion of the F/A-18 program in Note 11 to our Consolidated Financial Statements.
Sea Launch See the discussion of the Sea Launch receivables in Note 7 to our Consolidated Financial Statements.
Commercial Crew See the discussion of Fixed-Price Development Contracts in Note 11 to our Consolidated Financial Statements.
Global Services
Business Environment and Trends
The aerospace markets we serve include parts distribution, logistics, and other inventory services; maintenance, engineering, and upgrades; training and professional services; and information services. We expectPrior to COVID-19, we had expected the market to grow by around 3.5% annually.annually, however the pandemic is having a direct impact on our commercial services business. See Overview to Management’s Discussion and Analysis of Financial Condition and Results of Operations for a discussion of the impacts of COVID-19 on the airline industry environment.
AsOver the long-term, as the size of the worldwide commercial airline fleet continues to grow, so does demand for aftermarket services designed to increase efficiency and extend the economic lives of
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airplanes. Airlines are using data analytics to plan flight operations and predictive maintenance to improve their productivity and efficiency. Airlines continue to look for opportunities to reduce the size and cost of their spare parts inventory, frequently outsourcing spares management to third parties.
The demand outlook for our government services business has remained stable in 2020. Government services market segments are growing on pace with related fleets, but vary based on the utilization and age of the aircraft. The U.S. government services market is the single largest individual market, comprising over 50 percent of the government services markets served. Over the next decade, we expect U.S. growth to remain flat and non-U.S. fleets, led by Middle East and Asia Pacific customers, to add rotorcraft and commercial derivative aircraft at the fastest rates. We expect less than 20 percent of the worldwide fleet of military aircraft to be retired and replaced over the next ten years, driving increased demand for services to maintain aging aircraft and enhance aircraft capability.
BGS’ major customer, the U.S. government, remains subject to the spending limits and uncertainty described on page 29,40, which could restrict the execution of certain program activities and delay new programs or competitions.
Industry Competitiveness Aviation services is a competitive market with many domestic and international competitors. This market environment has resulted in intense pressures on pricing, and we expect these pressures to continue or intensify in the coming years. Continued access to global markets remains vital to our ability to fully realize our sales growth potential and long-term investment returns.
Results of Operations
(Dollars in millions)
Years ended December 31,202020192018
Revenues$15,543 $18,468 $17,056 
% of total company revenues27 %24 %17 %
Earnings from operations$450 $2,697 $2,536 
Operating margins2.9 %14.6 %14.9 %
Revenues
BGS revenues in 2020 decreased by $2,925 million compared with 2019 due to lower commercial services revenue driven by impacts of the COVID-19 pandemic. The favorable impact of cumulative contract catch-up adjustments in 2020 was $101 million lower than the comparable period in the prior year. We expect the impacts of the COVID-19 pandemic to continue to reduce BGS commercial revenues in future quarters until the commercial airline industry environment recovers.

BGS revenues in 2019 increased by $1,412 million compared with 2018 due to growth across our services portfolio, primarily driven by higher parts revenue, including the acquisition of KLX in the fourth quarter of 2018 and government services revenue, partially offset by lower commercial services revenue. The favorable impact of cumulative contract catch-up adjustments in 2019 was $80 million higher than the comparable period in the prior year.
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(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Revenues
$14,639
 
$13,925
 
$13,293
% of total company revenues16% 15% 14%
Earnings from operations
$2,256
 
$2,177
 
$1,835
Operating margins15.4% 15.6% 13.8%



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Revenues
BGS revenues in 2017 increased by $714 million compared with 2016 primarily due to higher commercial parts revenue.

BGS revenues in 2016 increased by $632 million compared with 2015 primarily due to higher commercial parts revenues and government services revenue.
Earnings From Operations
BGS earnings from operations in 2017 increased2020 decreased by $79$2,247 million compared with 20162019, primarily due to lower commercial services revenue as well as earnings charges in 2020, including $531 million of inventory write-downs, $178 million of related impairments of distribution rights primarily driven by airlines' decisions to retire certain aircraft, $398 million for higher expected credit losses primarily driven by customer liquidity issues, $115 million of contract termination and facility impairment charges, as well as $72 million of severance costs. These charges reflect the significant impacts of the COVID-19 pandemic on commercial airline customers’ liquidity and demand for certain products as customers' fleet plans evolve to adapt to the sharp reduction in demand for air travel. The favorable impact of cumulative contract catch-up adjustments in 2020 was consistent with the prior year.
BGS earnings from operations in 2019 increased by $161 million compared with 2018 primarily due to higher revenues, partially offset by commercial servicesless favorable performance and mix. NetEarnings from operations for 2019 also includes a divestiture gain of $395 million and a charge of $293 million related to our decision in the fourth quarter to retire the Aviall brand and trade name. The favorable impact of cumulative contract catch-up adjustments were $9 million lower in 2017 than in 2016.

BGS earnings from operations in 2016 increased by $342 million compared with 2015 primarily due to higher revenues and favorable mix of commercial parts and government services. Net favorable cumulative contract catch-up adjustments were $122019 was $21 million higher than the comparable period in 2016 than in 2015the prior year.
Backlog
BGS total backlog of $17,223$20,632 million at December 31, 2017 increased2020 decreased by 10% from December 31, 2016, primarily due to current year contract awards including F-15, C-17, and Apache support programs.
BGS total backlog of $15,631$22,902 million at December 31, 2016 increased by 20% from December 31, 20152019, primarily due to current year contract awards includinga reduction for commercial orders that, in our assessment, no longer meet the C-17 support program.accounting requirements of ASC 606 for inclusion in backlog.
Boeing Capital
Business Environment and Trends
BCC’s gross customer financing and investment portfolio at December 31, 20172020 totaled $3,006$1,974 million. A substantial portion of BCC’s portfolio is related to customers that we believe have less than investment-grade credit. BCC’s portfolio is also concentrated by varying degrees across Boeing aircraft product types, most notably 717 and 747-8 aircraft.
BCC provided customer financing of $480$14 million and $1,376$419 million during 20172020 and 2016.2019. While we may be required to fund a number of new aircraft deliveries in 20182021 and/or provide refinancing for existing bridge debt, we expect alternative financing will be available at reasonable prices from broad and globally diverse sources. However, a number of factors could cause BCC’s new business volume to increase further, including if the Export-Import Bank of the United States continues to be unable to, or does not, approve new financing transactions.
Aircraft values and lease rates are impacted by the number and type of aircraft that are currently out of service. Approximately 2,0007,300 western-built commercial jet aircraft (8.3%(29.4% of current world fleet) were parked at the end of 2017,2020, including both in-production and out-of-production aircraft types. Of these parked aircraft, approximately 2%a larger portion are not expected to returnbe retired compared to service.the pre-COVID-19 period, which directly impacts the Company in terms of number of new aircraft deliveries and financing opportunities, the ability of existing customers to meet current payment obligations and the value of aircraft in its portfolio. We continue to work closely with our customers to mitigate the risk. At the end of 20162019 and 2015, 8.8%2018, 8.5% and 9.5%6.7% of the western-built commercial jet aircraft were parked. Aircraft valuations could decline if significant numbers of additional aircraft, particularly types with relatively few operators, are placed out of service.

See Overview to Management’s Discussion and Analysis of Financial Condition and Results of Operations for a discussion of the impacts of COVID-19 on the airline industry environment.

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Results of Operations    
(Dollars in millions)
Years ended December 31,202020192018
Revenues$261 $244 $274 
Earnings from operations$63 $28 $79 
Operating margins24 %11 %29 %
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Revenues
$307
 
$298
 
$413
Earnings from operations
$114
 
$59
 
$50
Operating margins37% 20% 12%
Revenues
BCC segment revenues consist principally of lease income from equipment under operating lease, interest income from financing receivables and notes, and other income. BCC’s revenues in 2017 were consistent2020 increased by $17 million compared with 2016.
2019 primarily due to gains on re-lease of assets. BCC’s revenues in 20162019 decreased by $115$30 million compared with 20152018 primarily due to lower lease income, and lower endgains on the sale of lease settlement payments.assets.
Earnings From Operations
BCC’s earnings from operations are presented net of interest expense, provision for (recovery of) losses, asset impairment expense, depreciation on leased equipment and other operating expenses. Earnings from operations in 20172020 increased by $55$35 million compared with 2019 primarily due to higher revenues, lower asset impairment expenses and depreciationlower interest expenses. Earnings from operations in 2016 increased2019 decreased by $9$51 million compared with 2018 primarily due to lower revenues and higher asset impairment expense which more than offset lower revenues.expenses.
Financial Position
The following table presents selected financial data for BCC as of December 31:
(Dollars in millions)2017
 2016
(Dollars in millions)20202019
Customer financing and investment portfolio, net
$3,003
 
$4,109
Customer financing and investment portfolio, net$1,961 $2,251 
Other assets, primarily cash and short-term investments677
 346
Other assets, primarily cash and short-term investments402 535 
Total assets
$3,680
 
$4,455
Total assets$2,363 $2,786 
   
Other liabilities, primarily deferred income taxes
$653
 
$1,007
Other liabilities, primarily deferred income taxes$392 $432 
Debt, including intercompany loans2,523
 2,864
Debt, including intercompany loans1,640 1,960 
Equity504
 584
Equity331 394 
Total liabilities and equity
$3,680
 
$4,455
Total liabilities and equity$2,363 $2,786 
   
Debt-to-equity ratio5.0-to-1
 4.9-to-1
Debt-to-equity ratio5-to-15-to-1

BCC’s customer financing and investment portfolio at December 31, 20172020 decreased from December 31, 2016, 2019, primarily due to $1,434$321 million of asset sales, note payoffs and portfolio run-off, partially offset by new volume.
Aircraft subject to leases with a carrying value of approximately $25 million are scheduled to be returned off lease during 2018. We are seeking to remarket these aircraft or have the leases extended.run-off.
BCC enters into certain transactions with Boeing, reflected in Unallocated items, eliminations and other, in the form of intercompany guarantees and other subsidies that mitigate the effects of certain credit quality or asset impairment issues on the BCC segment.

Leased aircraft with a carrying value of approximately $57 million are scheduled to be returned off lease during 2021. We are seeking to remarket these aircraft or have the leases extended.

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Liquidity and Capital Resources
Cash Flow Summary
(Dollars in millions)
Years ended December 31,202020192018
Net (loss)/earnings($11,941)($636)$10,460 
Non-cash items10,866 2,819 2,578 
Changes in working capital(17,335)(4,629)2,284 
Net cash (used)/provided by operating activities(18,410)(2,446)15,322 
Net cash used by investing activities(18,366)(1,530)(4,621)
Net cash provided/(used) by financing activities34,955 5,739 (11,722)
Effect of exchange rate changes on cash and cash equivalents85 (5)(53)
Net (decrease)/increase in cash & cash equivalents, including restricted(1,736)1,758 (1,074)
Cash & cash equivalents, including restricted, at beginning of year9,571 7,813 8,887 
Cash & cash equivalents, including restricted, at end of year$7,835 $9,571 $7,813 
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Net earnings
$8,197
 
$4,895
 
$5,176
Non-cash items2,652
 2,559
 2,392
Changes in working capital2,495
 3,045
 1,795
Net cash provided by operating activities13,344
 10,499
 9,363
Net cash used by investing activities(2,062) (3,380) (1,846)
Net cash used by financing activities(11,350) (9,587) (7,920)
Effect of exchange rate changes on cash and cash equivalents80
 (33) (28)
Net decrease in cash and cash equivalents12
 (2,501) (431)
Cash and cash equivalents at beginning of year8,801
 11,302
 11,733
Cash and cash equivalents at end of period
$8,813
 
$8,801
 
$11,302
Operating Activities Net cash used by operating activities was $18.4 billion during 2020, compared with net cash used by operating activities of $2.4 billion during 2019 and net cash provided by operating activities was $13.3 billion during 2017, compared with $10.5 billion during 2016 and $9.4of $15.3 billion in 2015.2018. The increase of $2.8 billiondecrease in 2017 wasoperating cash flows in 2020 is primarily driven by our net loss in 2020 and changes in working capital, partially offset by an increase in non-cash items. Non-cash items include the $6.5 billion reach-forward loss on the 777X program in 2020, which was recorded as a reduction to inventory. The year-over-year increase in non-cash items also reflects higher advances more than offsetting inventory increases.write-downs and higher allowances for expected credit losses in 2020. The increasechanges in working capital reflect increases in commercial airplane inventory due to the large number of undelivered aircraft in 2019 resulting from the 737 MAX grounding, and in 2020 due to the 737 MAX grounding, 787 production issues and COVID-19 impacts. Cash used by Advances and progress billings was $1.1 billion in 20162020, as compared with $0.7 billion provided by Advances and progress billings in 2019. The changes in working capital in 2020 also reflect lower accounts payable due to reductions in commercial purchases from suppliers and lower supply chain financing. Compensation payments to 737 MAX customers totaled $2.2 billion during 2020 and $1.2 billion during 2019. The accrued liability for 737 MAX customer considerations at December 31, 2019 resulted in a $7.4 billion favorable change to working capital in 2019. The impacts of the COVID-19 pandemic and the 737 MAX grounding are expected to continue to have a significant negative impact on our operating cash flows during 2021.
The decrease in operating cash flows in 2019 compared to 2018 primarily reflected the impacts of the 737 MAX grounding resulting in lower earnings, higher inventory and lower advances and progress payments. In addition, compensation payments to 737 MAX customers of $1.2 billion for disruption to their operations also reduced 2019 cash from operating activities. Cash used to fund inventory was $12.4 billion during 2019 as we continued to produce aircraft while deliveries were suspended. Cash provided by Advances and progress billings was $0.7 billion in 2019, compared with $2.6 billion in 2018.
Payables to suppliers who elected to participate in supply chain financing programs declined by $1.9 billion for the year ended December 31, 2020, and increased by $2.6 billion and $0.6 billion for the same period in 2019 and 2018. Supply chain financing is not material to our overall liquidity. The decline for the year ended December 31, 2020 was primarily due to lower expenditures onreductions in commercial airplane program inventory, primarily 787. Advancespurchases from suppliers. The increase for the years ended December 31, 2019 and progress billings increased by $4.6 billion in 2017, decreased by $1.9 billion in 20162018 reflects a combination of higher purchases, an extension of payment terms with certain suppliers, and increased by $0.4 billion in 2015. During 2017, our discretionary contributions to our pension plans included 14.4 million sharesutilization of our common stock with an aggregate valuesupply chain financing programs.
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Table of $3.5 billion and $0.5 billion in cash. Discretionary contributions to our pension plans were insignificant in 2016 and 2015.Contents
Investing Activities Cash used by investing activities during 2017, 20162020, 2019 and 20152018 was $2.1$18.4 billion,, $3.4 $1.5 billion and $1.8$4.6 billion. The increase in cash outflows in 2020 compared to 2019 is primarily due to $17.4 billion of higher net contributions to investments. The reduction in cash outflows in 2019 compared with 2018 is primarily due to acquisitions completed in the second half of 2018 and the timing of investments. Acquisitions net of cash acquired were $0.5 billion in 2019, primarily related to the acquisition of KLX. Proceeds from dispositions was $0.5 billion in 2019 as a result of the divestiture of two businesses. Capital expenditures totaled $1.7 billion in 2017, down from $2.6$1.3 billion in 2016 and $2.52020, compared with $1.8 billion in 2015.2019 and $1.7 billion 2018. We expect capital expenditures in 20182021 to be higher than 2017. Net proceeds from investments was insignificant in 2017.relatively consistent with 2020. Net contributions to investments were $0.5$17.3 billion in 20162020, compared with net proceeds from investments of $0.6$0.1 billion in 2015.2019 and $0.3 billion in 2018.
Financing Activities Cash provided by financing activities was $35.0 billion during 2020, compared with cash provided by financing activities of $5.7 billion in 2019 and cash used by financing activities was $11.4of $11.7 billion during 2017, anin 2018. The increase of $1.8$29.3 billion compared with 2016,2019 primarily reflects higher net borrowings, lower share repurchases, and lower dividend payments. Cash provided by financing activities increased $17.5 billion compared with 2018 primarily due to higher net borrowings and lower share repurchases, andpartially offset by higher dividend payments.payments in 2019. During 2017, ourthe twelve months ended December 31, 2020, new borrowings net borrowingsof repayments were $1.1$36.3 billion compared with minimal net repayments$13.2 billion and $1.4 billion in 2016. Cash used by financing activities was $9.6 billion during 2016, anthe same period in 2019 and 2018. The increase of $1.7 billion compared with 2015,in 2020 is primarily due to lower net$29.9 billion of fixed rate senior notes issued in 2020 and $13.8 billion of new borrowings and higher dividend payments and share repurchases.under a two-year delayed draw term loan agreement entered into in the first quarter of 2020. For further discussion see Liquidity Matters in Note 1 to our Consolidated Financial Statements.
At December 31, 20172020 and 20162019 the recorded balance of debt was $11.1$63.6 billion and $10.0$27.3 billion, of which $1.3$1.7 billion and $0.4$7.3 billion waswere classified as short-term. At December 31, 2017 and 2016 thisThis included $2.5$1.6 billion and $2.9$2.0 billion of debt attributable to BCC at December 31, 2020 and 2019, of which $0.9 billion and $0.1$0.5 billion were classified as short-term.
During 2017 and 2016the year ended December 31, 2020, we repurchased 46.1 million and 55.1 milliondid not repurchase any shares totaling $9.2 billion and $7.0 billion through our open market share repurchase program.program compared to repurchases of 6.9 million and 26.1 million shares in 2019 and 2018 totaling $2.7 billion and $9.0 billion. Share repurchases under this plan had been suspended since April 2019. In 2017March 2020, the Board of Directors terminated its prior authorization to repurchase shares of the Company's outstanding common stock. We had 0.6 million, 0.6 million, and 2016, we had 0.7 million shares transferred to us from employees foremployee tax withholdings. At withholdings in 2020, 2019, and 2018, respectively. During the twelve months ended December 31, 2017,2020 we paid dividends of $1.2 billion compared with $4.6 billion and $3.9 billion in the amount available undersame period in 2019 and 2018. In March 2020, the share repurchase plan,Company announced onthat our dividend will be suspended until further notice. In December 11, 2017, totaled $18 billion.2018 we increased our quarterly dividend from $1.71 to $2.055, which resulted in $684 million of higher dividend payments in 2019 compared with 2018.
Capital Resources The impacts of the COVID-19 pandemic and 737 MAX grounding are having a significant negative impact on our liquidity and ongoing operations and creating significant uncertainty. We have substantial borrowing capacity. Any future borrowings may affect our credit ratings and are subjectcontinuing to various debt covenants as described below. We have a commercial papertake significant actions to manage and preserve our liquidity.For further discussion see Liquidity Matters in Note 1 to our Consolidated Financial Statements.


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program that serves as a source of short-term liquidity. At December 31, 2017, commercial paper borrowings totaling $600 million were supported by unused commitments under the revolving credit agreement. We2020, we had no commercial paper borrowings in 2016. Currently,$7.8 billion of cash and $17.8 billion of short term investments. At December 31, 2020, we have $5.0had $9.5 billion of unused borrowing capacity on revolving credit line agreements. We anticipate that these credit lines will primarily serve as backup liquidity to support our general corporate borrowing needs.
Financing commitments totaled $10.2 The $9.5 billion and $14.8 of unused borrowing capacity includes a $3.1 billion 364-day revolving credit facility, which expires in October 2021. We had no commercial paper borrowings at December 31, 20172020, compared to commercial paper borrowings of $6.1 billion and 2016.$1.9 billion at December 31, 2019 and 2018, which were supported by unused commitments under the revolving credit agreement.
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Our debt balances have increased significantly since 2019, and we are continuing to actively manage our liquidity.Scheduled principal payments for debt for the next five years are as follows:
20212022202320242025
Debt$1,630 $14,976 $3,776 $2,001 $4,301 
Our increased debt balance has also resulted in downgrades to our credit ratings. We anticipate that we will not be requiredexpect to fund a significant portion of our financing commitments as we continue to work with third party financiers to provide alternative financing to customers. Historically, we have not been required to fund significant amounts of outstanding commitments. However, there can be no assurances that we will not be required to fund greater amounts than historically required. In addition, many of our non-U.S. customers finance aircraft purchases through the Export-Import Bank of the United States. Following the expiration of the bank’s charter on June 30, 2015, the bank’s charter was reauthorized in December 2015. The bank is now authorized through September 30, 2019. However, until the U.S. Senate confirms members sufficient to reconstitute a quorum of the bank’s board of directors, the bank will not be able to approve any transaction totaling more than $10 million. As a result, we may fund additional commitments and/or enter into new financing arrangements with customers.
In the eventaccess capital markets when we require additional funding in order to support strategicpay off existing debt, address further impacts to our business opportunities, our commercial aircraftrelated to market developments, fund outstanding financing commitments, unfavorable resolution of litigation or other loss contingencies, ormeet other business requirements,requirements. A number of factors could cause us to incur increased borrowing costs and to have greater difficulty accessing public and private markets for debt. These factors include disruptions or declines in the global capital markets and/or a decline in our financial performance, outlook or credit ratings, including impacts described above related to the COVID-19 pandemic and/or associated changes in demand for our products and services. These risks will be particularly acute if we expectare subject to meet increased funding requirements by issuing commercial paperfurther credit rating downgrades. The occurrence of any or term debt. We believeall of these events may adversely affect our ability to access external capital resources should be sufficient to satisfy existing short-termfund our operations and long-term commitments and plans, and also to provide adequate financial flexibility to take advantage of potential strategic business opportunities should they arise within the next year. However, there can be no assurance of the costfinancing or availability ofcontractual commitments.
Any future borrowings if any, under our commercial paper program, in the debt markets ormay affect our credit facilities.
ratings and are subject to various debt covenants. At December 31, 2017 and 2016, our pension plans were $16.4 billion and $20.1 billion underfunded as measured under GAAP. On an Employee Retirement Income Security Act (ERISA) basis our plans are more than 100% funded at December 31, 2017 with minimal required contributions in 2018. During 2017, we contributed shares of our common stock with an aggregate value of $3.5 billion and $0.5 billion in cash. We do not expect to make contributions to our pension plans in 2018. We may be required to make higher contributions to our pension plans in future years.
At December 31, 2017,2020, we were in compliance with the covenants for our debt and credit facilities. The most restrictive covenants include a limitation on mortgage debt and sale and leaseback transactions as a percentage of consolidated net tangible assets (as defined in the credit agreements), and a limitation on consolidated debt as a percentage of total capital (as defined). When considering debt covenants, we continue to have substantial borrowing capacity.

Customer financing commitments totaled $11.5 billion and $13.4 billion at December 31, 2020 and 2019. The decrease primarily relates to financing commitment amendments and expirations. We anticipate that we will not be required to fund a significant portion of our financing commitments as we continue to work with third party financiers to provide alternative financing to customers. Historically, we have not been required to fund significant amounts of outstanding commitments. However, there can be no assurances that we will not be required to fund greater amounts than historically required.
At December 31, 2020 and 2019, our pension plans were $13.7 billion and $15.9 billion underfunded as measured under GAAP. On an Employee Retirement Income Security Act (ERISA) basis our plans are more than 100% funded at December 31, 2020. We do not expect to make significant contributions to our pension plans in 2021. We may be required to make higher contributions to our pension plans in future years.
In the fourth quarter of 2020, we contributed $3 billion of our common stock to our pension fund. In the fourth quarter of 2020, we also began using our common stock in lieu of cash to fund Company contributions to our 401(k) plans for the foreseeable future, which we estimate will conserve approximately $1 billion of cash over the next 12 months. Under this approach, common stock is contributed to our 401(k) plans following each pay period. We expect this measure to further enable the Company to conserve cash. We have retained an independent fiduciary to manage and liquidate stock contributed to these plans at its discretion.

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Contractual Obligations
The following table summarizes our known obligations to make future payments pursuant to certain contracts as of December 31, 2017,2020, and the estimated timing thereof.
(Dollars in millions)TotalLess
than 1
year
1-3
years
3-5
years
After 5
years
Long-term debt (including current portion)$63,963 $1,630 $18,752 $6,302 $37,279 
Interest on debt37,614 2,271 4,274 3,852 27,217 
Pension and other postretirement cash requirements5,077 610 1,163 1,073 2,231 
Finance lease obligations228 68 84 20 56 
Operating lease obligations1,781 307 432 240 802 
Purchase obligations not recorded on the Consolidated Statements of Financial Position93,928 36,540 29,933 16,367 11,088 
Purchase obligations recorded on the Consolidated Statements of Financial Position19,621 19,502 99 13 
Total contractual obligations (1)
$222,212 $60,928 $54,737 $27,861 $78,686 
(Dollars in millions)Total
 
Less
than 1
year

 
1-3
years

 
3-5
years

 
After 5
years

Long-term debt (including current portion)
$11,130
 
$1,285
 
$2,362
 
$1,266
 
$6,217
Interest on debt5,635
 478
 831
 672
 3,654
Pension and other postretirement cash requirements6,190
 609
 1,245
 1,246
 3,090
Capital lease obligations147
 55
 61
 16
 15
Operating lease obligations1,367
 220
 365
 212
 570
Purchase obligations not recorded on the Consolidated Statements of Financial Position115,064
 48,375
 31,369
 23,223
 12,097
Purchase obligations recorded on the Consolidated Statements of Financial Position18,630
 18,289
 325
 2
 14
Total contractual obligations (1)

$158,163
 
$69,311
 
$36,558
 
$26,637
 
$25,657
(1)    Excludes income tax matters. As of December 31, 2020, we have uncertain tax positions of $966 million. We are not able to reasonably estimate the timing of future cash flows related to uncertain tax positions. For further discussion of income taxes, see Note 4 to our Consolidated Financial Statements.
(1)
Excludes income tax matters. As of December 31, 2017, our net liability for income taxes payable, including uncertain tax positions of $1,736 million, was $1,634 million. For further discussion of income taxes, see Note 4 to our Consolidated Financial Statements. We are not able to reasonably estimate the timing of future cash flows related to uncertain tax positions.
Pension and Other Postretirement Benefits Pension cash requirements are based on an estimate of our minimum funding requirements, pursuant to ERISA regulations, although we may make additional discretionary contributions. Estimates of other postretirement benefits are based on both our estimated future benefit payments and the estimated contributions to plans that are funded through trusts.
Purchase Obligations Purchase obligations represent contractual agreements to purchase goods or services that are legally binding; specify a fixed, minimum or range of quantities; specify a fixed, minimum, variable, or indexed price provision; and specify approximate timing of the transaction. Purchase obligations include amounts recorded as well as amounts that are not recorded on the Consolidated Statements of Financial Position.
Purchase Obligations Not Recorded on the Consolidated Statements of Financial Position Purchase obligations not recorded on the Consolidated Statements of Financial Position include agreements for inventory procurement, tooling costs, electricity and natural gas contracts, property, plant and equipment, customer financing equipment, and other miscellaneous production related obligations. The most significant obligation relates to inventory procurement contracts. We have entered into certain significant inventory procurement contracts that specify determinable prices and quantities, and long-term delivery timeframes. In addition, we purchase raw materials on behalf of our suppliers. These agreements require suppliers and vendors to be prepared to build and deliver items in sufficient time to meet our production schedules. The need for such arrangements with suppliers and vendors arises from the extended production planning horizon for many of our products. A significant portion of these inventory commitments is supported by firm contracts and/or has historically resulted in settlement through reimbursement from customers for penalty payments to the supplier should the customer not take delivery. These amounts are also included in our forecasts of costs for program and contract accounting. Some inventory procurement contracts may include escalation adjustments. In these limited cases, we have included our best estimate of the effect of the escalation adjustment in the amounts disclosed in the table above.
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Purchase Obligations Recorded on the Consolidated Statements of Financial Position Purchase obligations recorded on the Consolidated Statements of Financial Position primarily include accounts payable and certain other current and long-term liabilities including accrued compensation.


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Industrial Participation Agreements We have entered into various industrial participation agreements with certain customers outside of the U.S. to facilitate economic flow back and/or technology or skills transfer to their businesses or government agencies as the result of their procurement of goods and/or services from us. These commitments may be satisfied by our local operations there, placement of direct work or vendor orders for supplies, opportunities to bid on supply contracts, transfer of technology or other forms of assistance. However, in certain cases, our commitments may be satisfied through other parties (such as our vendors) who purchase supplies from our non-U.S. customers. In certain cases, penalties could be imposed if we do not meet our industrial participation commitments. During 2017,2020, we incurred no such penalties. As of December 31, 2017,2020, we have outstanding industrial participation agreements totaling $17.9$26.4 billion that extend through 2030.2034. Purchase order commitments associated with industrial participation agreements are included in purchase obligations in the table above. To be eligible for such a purchase order commitment from us, a non-U.S. supplier must have sufficient capability to meet our requirements and must be competitive in cost, quality and schedule.
Commercial Commitments
The following table summarizes our commercial commitments outstanding as of December 31, 2017.2020.
(Dollars in millions)Total Amounts
Committed/Maximum
Amount of Loss
Less than
1 year
1-3
years
4-5
years
After 5
years
Standby letters of credit and surety bonds$4,238 $1,680 $1,621 $735 $202 
Commercial aircraft financing commitments11,512 2,329 4,061 3,504 1,618 
Total commercial commitments$15,750 $4,009 $5,682 $4,239 $1,820 
(Dollars in millions)
Total Amounts
Committed/Maximum
Amount of Loss

 
Less than
1 year

 
1-3
years

 
4-5
years

 
After 5
years

Standby letters of credit and surety bonds
$3,708
 
$1,659
 
$782
 
$559
 
$708
Commercial aircraft financing commitments10,221
 2,047
 4,372
 2,256
 1,546
Total commercial commitments
$13,929
 
$3,706
 
$5,154
 
$2,815
 
$2,254
Commercial aircraft financing commitments include commitments to provide financing related to aircraft on order, under option for deliveries or proposed as part of sales campaigns or refinancing with respect to delivered aircraft, based on estimated earliest potential funding dates. Based on historical experience, we anticipate that we will not be required to fund a significant portion of our financing commitments. However, there can be no assurances that we will not be required to fund greater amounts than historically required, particularly if the Export-Import Bank of the United States continues to be unable to, or does not, provide new financing support.required. See Note 1113 to our Consolidated Financial Statements.
Contingent Obligations
We have significant contingent obligations that arise in the ordinary course of business, which include the following:
Legal Various legal proceedings, claims and investigations are pending against us. Legal contingencies are discussed in Note 2021 to our Consolidated Financial Statements.
Environmental Remediation We are involved with various environmental remediation activities and have recorded a liability of $524$565 million at December 31, 2017.2020. For additional information, see Note 1113 to our Consolidated Financial Statements.
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Off-Balance Sheet Arrangements
We are a party to certain off-balance sheet arrangements including certain guarantees. For discussion of these arrangements, see Note 1214 to our Consolidated Financial Statements.


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Non-GAAP Measures
Core Operating Earnings, Core Operating Margin and Core Earnings Per Share
Our Consolidated Financial Statements are prepared in accordance with Generally Accepted Accounting Principles in the United States of America (GAAP) which we supplement with certain non-GAAP financial information. These non-GAAP measures should not be considered in isolation or as a substitute for the related GAAP measures, and other companies may define such measures differently. We encourage investors to review our financial statements and publicly-filed reports in their entirety and not to rely on any single financial measure. Core operating earnings, core operating margin and core earnings per share exclude the impact of certainFAS/CAS service cost adjustment. The FAS/CAS service cost adjustment represents the difference between the FAS pension and other postretirement benefit expenses that are notservice costs calculated under GAAP and costs allocated to the business segments. Core earnings per share excludes both the FAS/CAS service cost adjustment and non-operating pension and postretirement expenses. Non-operating pension and postretirement expenses represent the components of net periodic benefit costs other than service cost. Pension costs, comprising service and prior service costs computed in accordance with GAAP are allocated to BCA and certain BGS businesses supporting commercial customers. Pension costs allocated to BDS and BGS businesses supporting government customers are computed in accordance with U.S. Government Cost Accounting Standards (CAS), which employ different actuarial assumptions and accounting conventions than GAAP. CAS costs are allocable to government contracts. Other postretirement benefit costs are allocated to all business segments based on CAS, which is generally based on benefits paid.
The unallocated pension costsPension FAS/CAS service cost adjustment recognized in (loss)/earnings from operations during 20172020 was a benefit of $1,120$1,024 million, comparedlargely consistent with a benefit of $217$1,071 million in 20162019 and an expense of $421$1,005 million in 2015.2018. The higher 2017non-operating pension expense included in Other income, net was a benefit reflects theof $340 million in 2020, $374 million in 2019 and $143 million in 2018. The benefits in 2020, 2019, and 2018 reflect expected returns in excess of interest cost and amortization of pension benefits capitalized as inventory in prior years. The 2016 benefit reflects the difference between the higher segment allocation compared to the U.S. GAAP net periodic pension costs recognized in earnings in the current period, as well as lower settlements and curtailments. actuarial losses. 
For further discussion of pension and other postretirement costs see the Management’s Discussion and Analysis on pages 20 and 2130 - 31 of this Form 10-K and see Note 2122 to our Consolidated Financial Statements. Management uses core operating earnings, core operating margin and core earnings per share for purposes of evaluating and forecasting underlying business performance. Management believes these core earnings measures provide investors additional insights into operational performance as unallocated pension and other postretirement benefit cost, primarily represent costs driven by market factors and costs not allocable to U.S. government contracts.


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Reconciliation of GAAP Measures to Non-GAAP Measures
The table below reconciles the non-GAAP financial measures of core operating earnings, core operating margin and core earnings per share with the most directly comparable GAAP financial measures of earnings from operations, operating margins and diluted earnings per share.
(Dollars in millions, except per share data)
Years ended December 31,
202020192018
Revenues$58,158 $76,559 $101,127 
(Loss)/earnings from operations, as reported($12,767)($1,975)$11,987 
Operating margins(22.0)%(2.6)%11.9 %
Pension FAS/CAS service cost adjustment(1)
($1,024)($1,071)($1,005)
Postretirement FAS/CAS service cost adjustment(1)
($359)($344)($322)
FAS/CAS service cost adjustment(1)
($1,383)($1,415)($1,327)
Core operating (loss)/earnings (non-GAAP)($14,150)($3,390)$10,660 
Core operating margins (non-GAAP)(24.3)%(4.4)%10.5 %
Diluted (loss)/earnings per share, as reported($20.88)($1.12)$17.85 
Pension FAS/CAS service cost adjustment(1)
($1.80)($1.89)($1.71)
Postretirement FAS/CAS service cost adjustment(1)
($0.63)($0.61)($0.55)
Non-operating pension expense(2)
($0.60)($0.66)($0.24)
Non-operating postretirement expense(2)
$0.03 $0.19 $0.17 
Provision for deferred income taxes on adjustments (3)
$0.63 $0.62 $0.49 
Core (loss)/earnings per share (non-GAAP)($23.25)($3.47)$16.01 
Weighted average diluted shares (in millions)569.0 566.0 586.2 
(1)FAS/CAS service cost adjustment represents the difference between the FAS pension and postretirement service costs calculated under GAAP and costs allocated to the business segments. This adjustment is excluded from Core operating (loss)/earnings (non-GAAP).
(2)Non-operating pension and postretirement expenses represent the components of net periodic benefit costs other than service cost. These expenses are included in Other income, net and are excluded from Core (loss)/earnings per share (non-GAAP).
(3)The income tax impact is calculated using the U.S. corporate statutory tax rate.
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(Dollars in millions, except per share data)   
Years ended December 31,2017
 2016
 2015
Revenues
$93,392
 
$94,571
 
$96,114
Earnings from operations, as reported
$10,278
 
$5,834
 
$7,443
Operating margins11.0% 6.2% 7.7%
      
Unallocated pension (income)/expense
($1,120) 
($217) 
$421
Unallocated other postretirement benefit income
($188) 
($153) 
($123)
Unallocated pension and other postretirement benefit (income)/expense
($1,308) 
($370) 
$298
Core operating earnings (non-GAAP)
$8,970
 
$5,464
 
$7,741
Core operating margins (non-GAAP)9.6% 5.8% 8.1%
      
Diluted earnings per share, as reported
$13.43
 
$7.61
 
$7.44
Unallocated pension (income)/expense
($1.83) 
($0.33) 
$0.61
Unallocated other postretirement benefit income
($0.31) 
($0.24) 
($0.18)
Provision for deferred income taxes on
adjustments
(1)

$0.75
 
$0.20
 
($0.15)
Core earnings per share (non-GAAP)
$12.04
 
$7.24
 
$7.72
      
Weighted average diluted shares (in millions)610.7
 643.8
 696.1
(1)
The income tax impact is calculated using the tax rate in effect for the non-GAAP adjustments.


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Critical Accounting Policies & Estimates
Contract Accounting for long-term contracts
Contract accounting is used to determine revenue, cost of sales, and profit predominantly bySubstantially all contracts at BDS and for defensecertain contracts at BGS. Contract accountingBGS are long-term contracts. Our long-term contracts typically represent a single distinct performance obligation due to the highly interdependent and interrelated nature of the underlying goods and/or services and the significant service of integration that we provide.
Accounting for long-term contracts involves a judgmental process of estimating the total sales, costs, and costsprofit for each contract, which results in the development of estimated costperformance obligation. Cost of sales percentages. For each contract,is recognized as incurred and revenue is determined by adding a proportionate amount of the estimated profit to the amount reported as cost of sales is determined by applying the estimated cost of sales percentage to the amount of revenue recognized.sales.
Due to the size, duration and nature of many of our long-term contracts, the estimation of total sales and costs through completion is complicated and subject to many variables. Total contract sales estimates are based on negotiated contract prices and quantities, modified by our assumptions regarding contract options, change orders, incentive and award provisions associated with technical performance, and price adjustment clauses (such as inflation or index-based clauses). The majority of these long-term contracts are with the U.S. government where the price is generally based on estimated cost to produce the product or service plus profit. Federal Acquisition Regulations provide guidance on the types of cost that will be reimbursed in establishing contract price. Total contract cost estimates are largely based on negotiated or estimated purchase contract terms, historical performance trends, business base and other economic projections. Factors that influence these estimates include inflationary trends, technical and schedule risk, internal and subcontractor performance trends, business volume assumptions, COVID-19 disruptions, asset utilization, and anticipated labor agreements.

Revenue and cost estimates for all significant contractslong-term contract performance obligations are reviewed and reassessed quarterly. Changes in these estimates could result in recognition of cumulative catch-up adjustments to the contract’sperformance obligation’s inception to date revenues, cost of sales and profit, in the period in which such changes are made. Changes in revenue and cost estimates could also result in a reach-forward loss or an adjustment to a reach-forward loss, which would be recorded immediately in earnings. For the year ended December 31, 2017 net favorable cumulative catch-up adjustments, including reach-forward losses, across all contracts increased Earnings from operations by $14 million. For the years ended December 31, 20162020, 2019 and 2015,2018 net unfavorable cumulative catch-up adjustments, including reach-forward losses, across all long-term contracts decreased Earnings from operations by $912$942 million, $111 million and $224 million.$190 million, respectively. The cumulative catch-up adjustments in 2020 were primarily due to reach-forward losses incurred on the KC-46A Tanker program.

Due to the significance of judgment in the estimation process described above, it is likely that materially different cost of sales amountsearnings could be recorded if we used different assumptions or if the underlying circumstances were to change. Changes in underlying assumptions/estimates, supplier performance, or circumstances may adversely or positively affect financial performance in future periods. If the combined gross margin for all contracts in BDS and defense contracts at BGSlong-term contract performance obligations for all of 20172020 had been estimated to be higher or lower by 1%, it would have increased or decreased pre-tax income for the year by approximately $280 million.$330 million. In addition, a number of our fixed price development contracts are in a reach-forward loss position. Changes to estimated losses are recorded immediately in earnings.
Program Accounting
Program accounting requires the demonstrated ability to reliably estimate the relationship of sales to costs for the defined program accounting quantity. A program consists of the estimated number of units (accounting quantity) of a product to be produced in a continuing, long-term production effort for delivery under existing and anticipated contracts. The determination of the accounting quantity is limited by the ability to make reasonably dependable estimates of the revenue and cost of existing and
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anticipated contracts. For each program, the amount reported as cost of sales is determined by applying the estimated cost of sales percentage for the total remaining program to the amount of sales recognized for airplanes delivered and accepted by the customer.


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Factors that must be estimated include program accounting quantity, sales price, labor and employee benefit costs, material costs, procured part costs, major component costs, overhead costs, program tooling and other non-recurring costs, and warranty costs. Estimation of the accounting quantity for each program takes into account several factors that are indicative of the demand for the particular program, such as firm orders, letters of intent from prospective customers, and market studies. Total estimated program sales are determined by estimating the model mix and sales price for all unsold units within the accounting quantity, added together with the sales prices for all undelivered units under contract. The sales prices for all undelivered units within the accounting quantity include an escalation adjustment for inflation that is updated quarterly. Cost estimates are based largely on negotiated and anticipated contracts with suppliers, historical performance trends, and business base and other economic projections. Factors that influence these estimates include production rates, internal and subcontractor performance trends, customer and/or supplier claims or assertions, asset utilization, anticipated labor agreements, COVID-19 disruptions, and inflationary or deflationary trends.
To ensure reliability in our estimates, we employ a rigorous estimating process that is reviewed and updated on a quarterly basis. This includes reassessing the accounting quantity. Changes in estimates of program margins are normally recognized on a prospective basis; however, when estimated costs to complete a program exceed estimated revenues from undelivered units in the accounting quantity, a loss provision is recorded in the current period for the estimated loss on all undelivered units in the accounting quantity. For example, in 2016 and 2015, we recorded reach-forward losses of $1,258 million and $885 million on the 747 program. We continue to evaluate the viability of the 747 program and it is reasonably possible that we could decide to end production of the 747.

The program method of accounting allocates tooling and other non-recurring and production costs over the accounting quantity for each program. Because of the higher unit production costs experienced at the beginning of a new program and substantial investment required for initial tooling and other non-recurring costs, new commercial aircraft programs, such as the 787 and 777X programs, typically have lower initial margins than established programs. In addition, actualprograms and a higher risk for reach-forward loss. Actual costs incurred for earlier units in excess of the estimated average cost of all units in the program accounting quantity are included within program inventory as deferred production costs. Deferred production, unamortized tooling and other non-recurring costs are expected to be fully recovered when all units in the accounting quantity are delivered as the expected unit cost for later deliveries is below the estimated average cost as learning curve and other improvements are realized.
Wenow anticipate that the first 777X delivery will occur in late 2023. We also recorded a $6.5 billion reach-forward loss on the 777X program in the fourth quarter of 2020. The revised schedule and the reach-forward loss reflect a number of factors, including an updated assessment of global certification requirements informed by continued discussions with regulators and resulting in a management decision to make modifications to the aircraft’s design, an updated assessment of COVID-19 impacts on market demand, and discussions with our customers with respect to aircraft delivery timing. These factors resulted in adjustments to production rates and the program accounting quantity, increased change incorporation costs, and associated customer and supply chain impacts.
Absent changes in the estimated revenues or costs, deliveries which are expected to begin in 2023 will be recorded at zero margin. Reductions to the estimated loss in subsequent periods are spread over all undelivered units in the accounting quantity, whereas increases to the estimated loss are recorded immediately. The level of profitability on the 777X program will be subject to a number of factors. These factors include continued market uncertainty, the impacts of COVID-19 on our production system as well as impacts on our supply chain and customers, further production rate adjustments for the 777X or other commercial aircraft programs, contraction of the accounting quantity and potential risks associated with the testing program and the timing of aircraft certification. One or more of these factors
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could result in additional reach-forward losses on the 777X program in future periods which may be material.
Due to the significanceimpacts of judgmentCOVID-19 on our customers as well as production issues and associated rework, the 787 program has near breakeven gross margins at December 31, 2020. The margins reflect reductions in the estimation process described above, it isproduction rate and program accounting quantity during 2020. If we are required to further reduce the accounting quantity and/or production rates or experience higher than anticipated costs or delays addressing production issues and associated rework, or other factors that could result in lower margins, the program could record a reach-forward loss in future periods which may be material.
The 747 and 767 programs also have near breakeven gross margins at December 31, 2020. If we are unable to mitigate risks associated with these programs, or if our assumptions with respect to items such as pricing, cost, accounting quantity or future production rates were to change, we could be required to record reach-forward losses in future periods which may be material.
737 MAX Grounding
In 2019, following two fatal 737 MAX accidents, the Federal Aviation Administration (FAA) and non-U.S. civil aviation authorities issued orders suspending commercial operations of 737 MAX aircraft. Deliveries of the 737 MAX were suspended following these orders. Deliveries resumed in late 2020 following rescission by the FAA of its grounding order.
Multiple legal actions have been filed against us as a result of the accidents. In addition, we are fully cooperating with U.S. government investigations related to the accidents and the 737 MAX program, including an investigation by the Securities and Exchange Commission, the outcome of which may be material. On January 6, 2021, we entered into a Deferred Prosecution Agreement with the U.S. Department of Justice that resolves the Department of Justice’s previously disclosed investigation into us regarding the evaluation of the 737 MAX airplane by the FAA. Other than with respect to the U.S. Department of Justice, we cannot reasonably possibleestimate a range of loss, if any, not covered by available insurance that may result given the current status of the lawsuits, investigations and inquiries related to the 737 MAX.
In the preparation of our financial statements, we have made assumptions regarding outcomes of accident investigations and other government inquiries, timing and conditions of return to service, the timing of future 737 production rate increases, supplier readiness to support production rate changes, in underlying circumstances ortiming and sequence of future customer deliveries as well as outcomes of negotiations with customers impacted by the grounding. We have also made significant assumptions could have a material effect on program gross margins. If the combined gross margin percentages for our commercial airplane programs had beenregarding estimated costs expected to be 1% higherincurred in 2021 that should be included in program inventory and those costs that should be expensed when incurred as abnormal production costs. While these assumptions reflect our best estimate at this time, they are highly uncertain and significantly affect the estimates inherent in our financial statements.
In December 2020, we delivered 27 aircraft, in compliance with the FAA regulatory requirements. We have assumed that the remaining non-U.S. regulatory approvals will occur and enable deliveries during the first half of 2021. We have approximately 425 airplanes in inventory as of December 31, 2020. A number of customers have requested to defer deliveries or lower it would haveto cancel orders for 737 MAX aircraft, and we are remarketing and/or delaying deliveries of certain aircraft included within inventory. We now expect to deliver about half of the 737 MAX aircraft in inventory by the end of 2021. In the event that we are unable to resume aircraft deliveries in non-U.S. jurisdictions consistent with our assumptions of regulatory approval timing, our expectation of delivery timing could be impacted.
Due to the grounding and associated suspension of 737 MAX deliveries, we temporarily suspended 737 MAX production beginning in January 2020. We resumed early stages of 737 MAX production in May 2020 and continued to produce at low rates through the end of 2020.
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In addition, we reduced the number of aircraft included in the accounting quantity by 400 units in the first quarter of 2020 as a similar effectresult of reductions to planned production rates due to COVID-19 driven market uncertainties.As we are producing at abnormally low production rates in 2020 and 2021, we expect to incur approximately $5.0 billion of abnormal production costs that are being expensed as incurred. The slowdown in the planned production rate ramp-up increased expected abnormal costs however this increase was offset by adjustments to the determination of the normal production level due to COVID-19 impacts on the Commercial Airplane segment’s operating margins. Forcustomer demand, as well as cost reduction activities, including significant reductions in employment levels. We expensed approximately $2.6 billion of abnormal production costs during the year ended December 31, 2017,2020.
In addition to impacts related to the 737 MAX accidents and subsequent grounding, the 737 program continues to be significantly impacted by the COVID-19 pandemic and its effect on aircraft demand. These impacts have resulted in lower production and delivery rate assumptions. We currently expect to gradually increase the production rate to 31 per month by early 2022. We currently assume that we will implement further gradual production rate increases in subsequent periods based on market demand. The ongoing impacts of COVID-19 on market demand have also created significant uncertainty around the timing of deliveries of 737 MAX aircraft in inventory. We may need to recognize additional costs associated with remarketing and/or reconfiguring aircraft in inventory, which may reduce revenue and/or earnings in future periods.
We are working with our customers to minimize the impact to their operations from grounded and undelivered aircraft. We continue to reassess the liability for estimated potential concessions and other considerations to customers on a 1% increasequarterly basis. This reassessment includes updating estimates to reflect revisions to return to service, delivery and production rate assumptions driven by timing of regulatory approvals, as well as latest information based on engagements with 737 MAX customers. The remaining liability of $5.5 billion at December 31, 2020 represents our current best estimate of future concessions and other considerations to customers, and is necessarily based on a series of assumptions. It is subject to change in future quarters as negotiations with customers mature and timing and conditions of return to service are better understood.
Our assumptions reflect our current best estimate, but actual timing and conditions of return to service and resumption of deliveries could differ from this estimate, the effect of which could be material. We are unable at this time to reasonably estimate potential future additional financial impacts or decreasea range of loss, if any, due to continued uncertainties related to the timing and conditions of return to service, uncertainties related to the impacts of COVID-19 on our operations, supply chain and customers, future changes to the production rate, supply chain impacts, and/or the results of negotiations with particular customers. Any such impacts, including any changes in operating margins for our Commercial Airplane segment wouldestimates, could have a $567 millionmaterial adverse effect on our financial position, results of operations, and/or cash flows. For example, we expect that, in the event that we are unable to resume aircraft deliveries in non-U.S. jurisdictions consistent with our assumptions, the continued absence of revenue, earnings, and cash flows associated with 737 MAX deliveries would continue to have a material impact on our operating earnings.results. In the event that future production rate increases occur at a slower rate or take longer than we are currently assuming we expect that the growth in inventory and other cash flow impacts associated with production would decrease. However, while any prolonged production suspension or delays in planned production rate increases could mitigate the impact on our liquidity, it could significantly increase the overall expected costs to produce aircraft included in the accounting quantity, which would reduce 737 program margins and/or increase abnormal production costs in the future.
Goodwill and Indefinite-Lived Intangible Impairments
We test goodwill for impairment by performing a qualitative assessment or using a two-step impairment process.quantitative test. If we choose to perform a qualitative assessment, we evaluate economic, industry and company-specific factors as an initial step in assessing the fair value of operations. If we determine it is more likely than
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not that the carrying value of the net assets is more than the fair value of the related operations, the two-step impairment processthen a quantitative test is then performed; otherwise, no further testing is required. For operations where the two-step impairment processquantitative test is used, we first compare the bookcarrying value of net assets to the estimated fair value of the related operations. If the fair value is determined to be less than bookcarrying value, a second step is performedthe shortfall up to compute the amount of the impairment. In this process, a fair value for goodwill is estimated, based in part on the faircarrying value of the operations, and is compared to its carrying value. The shortfall of the fair value below carrying valuegoodwill represents the amount of goodwill impairment.


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We generally estimate the fair values of the related operations using a combination of discounted cash flows.flows and market-based valuation methodologies such as comparable public company trading values. Forecasts of future cash flows are based on our best estimate of future sales, and operating costs, based primarily onand changes in working capital. These forecasts reflect existing firm orders, expected future orders, expected production rates and delivery profiles, contracts with suppliers, labor agreements, and general market conditions. Changes in these forecasts could significantly change the amount of impairment recorded, if any.
The cash flow forecasts are adjusted by an appropriate discount rate derived from our market capitalization plus a suitable control premium at the date of evaluation. Therefore, changes in the stock price may also affect the amount of impairment recorded, if any.
We completed our annual assessment of goodwill as of April 1, 20172020 and determined that there iswas no impairment of goodwill.
As a result of the change incontinuing significant adverse impacts of the COVID-19 pandemic on our reportable segments, as described in Note 21,Commercial Airplanes and Commercial Services businesses, we reallocatedconcluded it is a triggering event for testing whether goodwill torecorded by our newCommercial Airplanes and Commercial Services reporting units usingis impaired. At December 31, 2020, Commercial Airplanes has $1,316 million of goodwill and Commercial Services has $3,087 million. We performed a relative fair value approach. We evaluated goodwill for impairment at July 1, 2017quantitative test and determined that no impairment existed.the fair values of our Commercial Airplane and Commercial Services reporting units substantially exceeded their carrying values as of December 31, 2020. As of December 31, 2017,2020, we also estimated that the fair valuevalues of eachour other reporting unitunits significantly exceeded itstheir corresponding carrying value.values.
We will continue to monitor the impacts of the COVID-19 pandemic in future quarters. Changes in our forecasts, discount rates, or decreases in the value of our common stock could cause book values of certain operations to exceed their fair values which may result in goodwill impairment charges in future periods.
As of December 31, 2017 and 2016, we had $490 million of indefinite-lived intangible assets related to the Jeppesen and Aviall brand and trade names acquired in business combinations. We test these intangibles for impairment by comparing their carrying value to current projections of discounted cash flows attributable to the brand and trade names. Any excess carrying value over the amount of discounted cash flows represents the amount of the impairment. A 10% decrease in the discounted cash flows would not impact the carrying value of these indefinite-lived intangible assets.
Pension Plans
The majorityMany of our employees have earned benefits under defined benefit pension plans. Nonunion and the majority of union employees that had participated in defined benefit pension plans transitioned to a company-funded defined contribution retirement savings plan in 2016. Additional union employees transitioned to company-funded defined contribution retirement savings plans effective January 1, 2019. Accounting rules require an annual measurement of our projected obligation and plan assets. These measurements are based upon several assumptions, including the discount rate and the expected long-term rate of asset return. Future changes in assumptions or differences between actual and expected outcomes can significantly affect our future annual expense, projected benefit obligation and Shareholders’ equity.
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The following table showsprojected benefit obligation is sensitive to discount rates. The projected benefit obligation would decrease by $2,591 million or increase by $2,930 million if the sensitivity of our pension plan liability and net periodic cost to adiscount rate increased or decreased by 25 basis points. A 25 basis point change in the discount rate as of December 31, 2017.
(Dollars in millions)
Change in discount rate
Increase 25 bps

 
Change in discount rate
Decrease 25 bps

Pension plans   
Projected benefit obligation
($2,364) 
$2,961
Net periodic pension cost(84) 99
Pension expensewould not have a significant impact on pension cost. However, net periodic pension cost is also sensitive to changes in the expected long-term rate of asset return. A decrease or increase of 25 basis points in the expected long-term rate of asset return would have increased or decreased 2017 net periodic pension expense by $148 million. We expect 20182020 net periodic pension cost by $145 million.
Deferred Income Taxes – Valuation Allowance
The Company has deferred income tax assets of $11,600 million at December 31, 2020, that can be used in future years to decreaseoffset taxable income and reduce income taxes payable. The Company has deferred income tax liabilities of $9,430 million at December 31, 2020, that will partially offset deferred income tax assets and result in higher taxable income in future years and increase income taxes payable. Tax law determines whether future reversals of temporary differences will result in taxable and deductible amounts that offset each other in future years. The particular years in which temporary differences result in taxable or deductible amounts generally are determined by approximately $44 millionthe timing of the recovery of the related asset or settlement of the related liability. The deferred income tax assets and liabilities relate primarily to U.S. federal and state tax jurisdictions.
On a quarterly basis, we assess the likelihood that we will be able to recover our deferred tax assets against future sources of taxable income and reduce the carrying amounts of deferred tax assets by recording a valuation allowance if, based on the available evidence, it is more likely than not (defined as a likelihood of more than 50%) that all or a portion of such assets will not be realized.
This assessment, which is completed on a taxing jurisdiction basis, takes into account both positive and negative evidence. A recent history of financial reporting losses is heavily weighted as a source of objectively verifiable negative evidence. Cumulative pre-tax losses in the three-year period ending with the current quarter is considered to be significant negative evidence regarding future profitability. If cumulative pre-tax losses adjusted for non-recurring items result in positive normalized earnings that would be considered an objectively verifiable source of positive evidence of the ability of the company to generate positive earnings in the future. When there is a recent history of operating losses and negative normalized earnings and a return to operating profitability has not yet been demonstrated, we cannot rely on projections of future earnings for purposes of assessing recoverability of our deferred tax assets. In such cases, we use systematic and logical methods to estimate when deferred tax liabilities will reverse and generate taxable income and when deferred tax assets will reverse and generate tax deductions. The selection of methodologies and assessment of when temporary differences will result in taxable or deductible amounts involves significant management judgment and is inherently complex and subjective. We believe that the methodologies we use are reasonable and can be replicated on a consistent basis in future periods.
As described above, a recent history of financial reporting losses is heavily weighted as a source of objectively verifiable negative evidence of the Company’s ability to generate future taxable income to recover deferred tax assets. During 2019 and 2020 the Company generated significant losses and in the fourth quarter of 2020 the Company reached a three-year cumulative pre-tax loss position. We expect cumulative three-year losses to grow in 2021 as record earnings in 2018 are replaced by 2021 results. We also normalized earnings and other comprehensive income for certain non-recurring items and expect to reach a three-year cumulative loss position in 2021 as record earnings in 2018 are replaced with 2021 results. For purposes of assessing the recoverability of deferred tax assets, the Company determined that it could not include future projected earnings in the analysis due to recent history of losses.
Deferred tax liabilities represent the assumed source of future taxable income and the portion recognized in earnings before income taxesmajority are assumed to decrease by approximately $512 million primarily due to lower amortization of actuarial losses.

generate taxable amounts during the next five years.Deferred tax assets include amounts

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related to pension and other postretirement benefits that are assumed to generate significant deductible amounts beyond five years.The Company’s valuation allowance of $3,094 million at December 31, 2020 primarily relates to pension and other postretirement benefit obligation deferred tax assets that are assumed to reverse beyond the period in which reversals of deferred tax liabilities are assumed to occur.Because the pension and other postretirement benefit obligations are recorded to both continuing operations and other comprehensive income (OCI), the Company recorded a portion of the fourth quarter increase in the valuation allowance to income tax expense in continuing operations ($2,513 million) and a portion to OCI ($196 million).
If the Company continues to generate losses and negative normalized earnings in future periods, additional valuation allowances may have to be recorded with corresponding adverse impacts on earnings and/or OCI. When income generation returns to more normal levels we can expect to see the allowance reverse and increase reported earnings and/or OCI.
For additional information regarding income taxes, see Note 4 of the Notes to the Financial Statements.
Item 7A. Quantitative and Qualitative Disclosures About Market Risk
Interest Rate Risk
We have financial instruments that are subject to interest rate risk, principally fixed-ratefixed- and floating-rate debt obligations, and customer financing assets and liabilities. Additionally, BCC uses interest rate swaps with certain debt obligations to manage exposure to interest rate changes. Historically, we have not experienced material gains or losses on our customer financing assets and liabilities due to interest rate changes. As of December 31, 2017, the impact over the next 12 months of a 100 basis point rise in interest rates to our pre-tax earnings would not be significant. The investors in our fixed-rate debt obligations do not generally have the right to demand we pay off these obligations prior to maturity. Therefore, exposure to interest rate risk is not believed to be material for our fixed-rate debt. In the first quarter of 2020, we entered into a $13.8 billion two-year delayed draw floating-rate term loan credit agreement. An increase or decrease of 100 basis points in interest rates on this floating-rate debt would increase or decrease our pre-tax earnings by $138 million over the next 12 months. Historically, we have not experienced material gains or losses on our customer financing assets and liabilities due to interest rate changes.
Foreign Currency Exchange Rate Risk
We are subject to foreign currency exchange rate risk relating to receipts from customers and payments to suppliers in foreign currencies. We use foreign currency forward contracts to hedge the price risk associated with firmly committed and forecasted foreign denominated payments and receipts related to our ongoing business. Foreign currency forward contracts are sensitive to changes in foreign currency exchange rates. At December 31, 2017,2020, a 10% increase or decrease in the exchange rate in our portfolio of foreign currency contracts would have increased or decreased our unrealized losses by $289$245 million. Consistent with the use of these contracts to neutralize the effect of exchange rate fluctuations, such unrealized losses or gains would be offset by corresponding gains or losses, respectively, in the remeasurement of the underlying transactions being hedged. When taken together, these forward currency contracts and the offsetting underlying commitments do not create material market risk.

Commodity Price Risk
We are subject to commodity price risk relating to commodity purchase contracts for items used in production that are subject to changes in the market price. We use commodity swaps and commodity purchase contracts to hedge against these potentially unfavorable price changes. Our commodity purchase contracts and derivatives are both sensitive to changes in the market price. At December 31, 2020, a 10% increase or decrease in the market price in our commodity derivatives would have increased or decreased our unrealized losses by $38 million. Consistent with the use of these contracts

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to neutralize the effect of market price fluctuations, such unrealized losses or gains would be offset by corresponding gains or losses, respectively, in the remeasurement of the underlying transactions being hedged. When taken together, these commodity purchase contracts and the offsetting swaps do not create material market risk.

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Item 8. Financial Statements and Supplementary Data
Index to the Consolidated Financial Statements

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The Boeing Company and Subsidiaries
Consolidated Statements of Operations
(Dollars in millions, except per share data)   
Years ended December 31,202020192018
Sales of products$47,142 $66,094 $90,229 
Sales of services11,016 10,465 10,898 
Total revenues58,158 76,559 101,127 
Cost of products(54,568)(62,877)(72,922)
Cost of services(9,232)(9,154)(8,499)
Boeing Capital interest expense(43)(62)(69)
Total costs and expenses(63,843)(72,093)(81,490)
(5,685)4,466 19,637 
Income/(loss) from operating investments, net9 (4)111 
General and administrative expense(4,817)(3,909)(4,567)
Research and development expense, net(2,476)(3,219)(3,269)
Gain on dispositions, net202 691 75 
(Loss)/earnings from operations(12,767)(1,975)11,987 
Other income, net447 438 92 
Interest and debt expense(2,156)(722)(475)
(Loss)/earnings before income taxes(14,476)(2,259)11,604 
Income tax benefit/(expense)2,535 1,623 (1,144)
Net (loss)/earnings(11,941)(636)10,460 
Less: net loss attributable to noncontrolling interest(68)00
Net (loss)/earnings attributable to Boeing Shareholders($11,873)($636)$10,460 
Basic (loss)/earnings per share($20.88)($1.12)$18.05 
Diluted (loss)/earnings per share($20.88)($1.12)$17.85 
(Dollars in millions, except per share data)     
Years ended December 31,2017
 2016
 2015
Sales of products
$83,204
 
$84,399
 
$85,255
Sales of services10,188
 10,172
 10,859
Total revenues93,392
 94,571
 96,114
      
Cost of products(68,365) (72,713) (73,446)
Cost of services(7,631) (8,018) (8,578)
Boeing Capital interest expense(70) (59) (64)
Total costs and expenses(76,066) (80,790) (82,088)
 17,326
 13,781
 14,026
Income from operating investments, net204
 303
 274
General and administrative expense(4,094) (3,616) (3,525)
Research and development expense, net(3,179) (4,627) (3,331)
Gain/(loss) on dispositions, net21
 (7) (1)
Earnings from operations10,278
 5,834
 7,443
Other income/(loss), net129
 40
 (13)
Interest and debt expense(360) (306) (275)
Earnings before income taxes10,047
 5,568
 7,155
Income tax expense(1,850) (673) (1,979)
Net earnings
$8,197
 
$4,895
 
$5,176
      
Basic earnings per share
$13.60
 
$7.70
 
$7.52
      
Diluted earnings per share
$13.43
 
$7.61
 
$7.44
See Notes to the Consolidated Financial Statements on pages 5567106.131.




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The Boeing Company and Subsidiaries
Consolidated Statements of Comprehensive Income
(Dollars in millions)
Years ended December 31,2020 2019 2018 
Net (loss)/earnings($11,941)($636)$10,460 
Other comprehensive income/(loss), net of tax:
Currency translation adjustments98 (27)(86)
Unrealized gain on certain investments, net of tax of $0, $0 and ($1)0
Derivative instruments:
Unrealized gain/(loss) arising during period, net of tax of ($4), $13, and $4014 (48)(146)
Reclassification adjustment for loss included in net earnings, net of tax of ($7), ($7), and ($8)27 26 30 
Total unrealized gain/(loss) on derivative instruments, net of tax41 (22)(116)
Defined benefit pension plans & other postretirement benefits:
Net actuarial (loss)/gain arising during the period, net of tax of $111, $405, and ($105)(1,956)(1,413)384 
Amortization of actuarial losses included in net periodic pension cost, net of tax of ($52), ($133), and ($242)917 464 878 
Settlements and curtailments included in net income, net of tax of $0, $0, and ($2)5 0
Pension and postretirement benefit related to our equity method investments, net of tax $0, ($5), and ($6)017 22 
Amortization of prior service credits included in net periodic pension cost, net of tax of $6, $25, and $39(112)(89)(143)
Prior service cost/(credit) arising during the period, net of tax of ($2), $0, and ($94)27 (1)341 
Total defined benefit pension plans & other postretirement benefits, net of tax(1,119)(1,022)1,490 
Other comprehensive (loss)/income, net of tax(980)(1,070)1,290 
Comprehensive loss related to noncontrolling interests(41)(21)
Comprehensive (loss)/income, net of tax(12,921)(1,747)11,729 
Less: Comprehensive loss related to noncontrolling interest(68)(41)(21)
Comprehensive (loss)/income attributable to Boeing Shareholders, net of tax($12,853)($1,706)$11,750 
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Net earnings
$8,197
 
$4,895
 
$5,176
Other comprehensive income/(loss), net of tax:     
Currency translation adjustments128
 (104) (92)
Unrealized gain/(loss) on certain investments, net of tax of ($1), $1 and ($5)1
 (2) 8
Unrealized gain/(loss) on derivative instruments:     
Unrealized gain/(loss) arising during period, net of tax of ($66), $4 and $77119
 (8) (140)
Reclassification adjustment for loss included in net earnings, net of tax of ($28), ($43) and ($43)52
 78
 79
Total unrealized gain/(loss) on derivative instruments, net of tax171
 70
 (61)
Defined benefit pension plans & other postretirement benefits:     
Net actuarial loss arising during the period, net of tax of $248, $752 and $402(495) (1,365) (732)
Amortization of actuarial losses included in net periodic pension cost, net of tax of ($272), ($288) and ($570)542
 524
 1,038
Settlements and curtailments included in net income, net of tax of $0, ($7) and ($27)
 14
 51
Pension and postretirement (cost)/benefit related to our equity method investments, net of tax $5, ($7) and ($2)(11) 12
 3
Amortization of prior service (credits)/cost included in net periodic pension cost, net of tax of $59, $31 and ($22)(117) (57) 38
Prior service cost arising during the period, net of tax of ($14), ($18) and ($496)28
 33
 902
Total defined benefit pension plans & other postretirement benefits, net of tax(53) (839) 1,300
Other comprehensive income/(loss), net of tax247
 (875) 1,155
Comprehensive loss related to noncontrolling interests(2) (1) (3)
Comprehensive income, net of tax
$8,442
 
$4,019
 
$6,328
See Notes to the Consolidated Financial Statements on pages 5567 106. 131.




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The Boeing Company and Subsidiaries
Consolidated Statements of Financial Position
(Dollars in millions, except per share data)  
December 31,20202019
Assets
Cash and cash equivalents$7,752 $9,485 
Short-term and other investments17,838 545 
Accounts receivable, net1,955 3,266 
Unbilled receivables, net7,995 9,043 
Current portion of customer financing, net101 162 
Inventories81,715 76,622 
Other current assets, net4,286 3,106 
Total current assets121,642 102,229 
Customer financing, net1,936 2,136 
Property, plant and equipment, net11,820 12,502 
Goodwill8,081 8,060 
Acquired intangible assets, net2,843 3,338 
Deferred income taxes86 683 
Investments1,016 1,092 
Other assets, net of accumulated amortization of $729 and $5804,712 3,585 
Total assets$152,136 $133,625 
Liabilities and equity
Accounts payable$12,928 $15,553 
Accrued liabilities22,171 22,868 
Advances and progress billings50,488 51,551 
Short-term debt and current portion of long-term debt1,693 7,340 
Total current liabilities87,280 97,312 
Deferred income taxes1,010 413 
Accrued retiree health care4,137 4,540 
Accrued pension plan liability, net14,408 16,276 
Other long-term liabilities1,486 3,422 
Long-term debt61,890 19,962 
Total liabilities170,211 141,925 
Shareholders’ equity:
Common stock, par value $5.00 – 1,200,000,000 shares authorized; 1,012,261,159 shares issued5,061 5,061 
Additional paid-in capital7,787 6,745 
Treasury stock, at cost(52,641)(54,914)
Retained earnings38,610 50,644 
Accumulated other comprehensive loss(17,133)(16,153)
Total shareholders’ deficit(18,316)(8,617)
Noncontrolling interests241 317 
Total equity(18,075)(8,300)
Total liabilities and equity$152,136 $133,625 
(Dollars in millions, except per share data)   
December 31,2017
 2016
Assets   
Cash and cash equivalents
$8,813
 
$8,801
Short-term and other investments1,179
 1,228
Accounts receivable, net10,516
 8,832
Current portion of customer financing, net309
 428
Inventories, net of advances and progress billings44,344
 43,199
Total current assets65,161
 62,488
Customer financing, net2,740
 3,773
Property, plant and equipment, net12,672
 12,807
Goodwill5,559
 5,324
Acquired intangible assets, net2,573
 2,540
Deferred income taxes341
 332
Investments1,260
 1,317
Other assets, net of accumulated amortization of $482 and $4972,027
 1,416
Total assets
$92,333
 
$89,997
Liabilities and equity   
Accounts payable
$12,202
 
$11,190
Accrued liabilities15,292
 14,691
Advances and billings in excess of related costs27,440
 23,869
Short-term debt and current portion of long-term debt1,335
 384
Total current liabilities56,269
 50,134
Deferred income taxes1,839
 1,338
Accrued retiree health care5,545
 5,916
Accrued pension plan liability, net16,471
 19,943
Other long-term liabilities2,015
 2,221
Long-term debt9,782
 9,568
Shareholders’ equity:   
Common stock, par value $5.00 – 1,200,000,000 shares authorized; 1,012,261,159 shares issued5,061
 5,061
Additional paid-in capital6,804
 4,762
Treasury stock, at cost(43,454) (36,097)
Retained earnings45,320
 40,714
Accumulated other comprehensive loss(13,376) (13,623)
Total shareholders’ equity355
 817
Noncontrolling interests57
 60
Total equity412
 877
Total liabilities and equity
$92,333
 
$89,997
See Notes to the Consolidated Financial Statements on pages 5567106.

131.

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The Boeing Company and Subsidiaries
Consolidated Statements of Cash Flows
(Dollars in millions)   
Years ended December 31,202020192018
Cash flows – operating activities:
Net (loss)/earnings($11,941)($636)$10,460 
Adjustments to reconcile net earnings to net cash provided by operating activities:
Non-cash items –
Share-based plans expense250 212 202 
Treasury shares issued for 401(k) contribution195 
Depreciation and amortization2,246 2,271 2,114 
Investment/asset impairment charges, net410 443 93 
Customer financing valuation adjustments12 250 (3)
Gain on dispositions, net(202)(691)(75)
777X reach-forward loss6,493 
Other charges and credits, net1,462 334 247 
Changes in assets and liabilities –
Accounts receivable909 603 (795)
Unbilled receivables919 982 (1,826)
Advances and progress billings(1,060)737 2,636 
Inventories(11,002)(12,391)568 
Other current assets372 (682)98 
Accounts payable(5,363)1,600 
Accrued liabilities1,074 7,781 1,117 
Income taxes receivable, payable and deferred(2,576)(2,476)(180)
Other long-term liabilities(222)(621)87 
Pension and other postretirement plans(794)(777)(153)
Customer financing, net173 419 120 
Other235 196 610 
Net cash (used)/provided by operating activities(18,410)(2,446)15,322 
Cash flows – investing activities:
Property, plant and equipment additions(1,303)(1,834)(1,722)
Property, plant and equipment reductions296 334 120 
Acquisitions, net of cash acquired(455)(3,230)
Proceeds from dispositions464 
Contributions to investments(37,616)(1,658)(2,607)
Proceeds from investments20,275 1,759 2,898 
Purchase of distribution rights(127)(69)
Other(18)(13)(11)
Net cash used by investing activities(18,366)(1,530)(4,621)
Cash flows – financing activities:
New borrowings47,248 25,389 8,548 
Debt repayments(10,998)(12,171)(7,183)
Contributions from noncontrolling interests35 
Stock options exercised36 58 81 
Employee taxes on certain share-based payment arrangements(173)(248)(257)
Common shares repurchased(2,651)(9,000)
Dividends paid(1,158)(4,630)(3,946)
Other(15)
Net cash provided/(used) by financing activities34,955 5,739 (11,722)
Effect of exchange rate changes on cash and cash equivalents85 (5)(53)
Net (decrease)/increase in cash & cash equivalents, including restricted(1,736)1,758 (1,074)
Cash & cash equivalents, including restricted, at beginning of year9,571 7,813 8,887 
Cash & cash equivalents, including restricted, at end of year7,835 9,571 7,813 
Less restricted cash & cash equivalents, included in Investments83 86 176 
Cash and cash equivalents at end of year$7,752 $9,485 $7,637 
(Dollars in millions)     
Years ended December 31,2017
 2016
 2015
Cash flows – operating activities:     
Net earnings
$8,197
 
$4,895
 
$5,176
Adjustments to reconcile net earnings to net cash provided by operating activities:     
Non-cash items –     
Share-based plans expense202
 190
 189
Depreciation and amortization2,069
 1,910
 1,833
Investment/asset impairment charges, net113
 90
 167
Customer financing valuation cost/(benefit)2
 (7) (5)
(Gain)/Loss on dispositions, net(21) 7
 1
Other charges and credits, net287
 369
 364
Excess tax benefits from share-based payment arrangements

 

 (157)
Changes in assets and liabilities –     
Accounts receivable(1,821) 112
 (1,069)
Inventories, net of advances and progress billings(1,085) 3,755
 (1,110)
Accounts payable130
 622
 (238)
Accrued liabilities573
 726
 2
Advances and billings in excess of related costs3,570
 (493) 1,192
Income taxes receivable, payable and deferred857
 (810) 477
Other long-term liabilities94
 (68) 46
Pension and other postretirement plans(582) 153
 2,470
Customer financing, net1,017
 (696) 167
Other(258) (256) (142)
Net cash provided by operating activities13,344
 10,499
 9,363
Cash flows – investing activities:     
Property, plant and equipment additions(1,739) (2,613) (2,450)
Property, plant and equipment reductions92
 38
 42
Acquisitions, net of cash acquired(324) (297) (31)
Contributions to investments(3,601) (1,719) (2,036)
Proceeds from investments3,639
 1,209
 2,590
Purchase of distribution rights(131)    
Other2
 2
 39
Net cash used by investing activities(2,062) (3,380) (1,846)
Cash flows – financing activities:     
New borrowings2,077
 1,325
 1,746
Debt repayments(953) (1,359) (885)
Repayments of distribution rights and other asset financing

 (24) 

Stock options exercised311
 321
 399
Excess tax benefits from share-based payment arrangements

 

 157
Employee taxes on certain share-based payment arrangements(132) (93) (96)
Common shares repurchased(9,236) (7,001) (6,751)
Dividends paid(3,417) (2,756) (2,490)
Net cash used by financing activities(11,350) (9,587) (7,920)
Effect of exchange rate changes on cash and cash equivalents80
 (33) (28)
Net decrease in cash and cash equivalents12
 (2,501) (431)
Cash and cash equivalents at beginning of year8,801
 11,302
 11,733
Cash and cash equivalents at end of year
$8,813
 
$8,801
 
$11,302
See Notes to the Consolidated Financial Statements on pages 5567106.

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The Boeing Company and Subsidiaries
Consolidated Statements of Equity
Boeing shareholders  Boeing shareholders 
(Dollars in millions, except per share data)Common
Stock

Additional
Paid-In
Capital

Treasury
Stock

Retained
Earnings

Accumulated
Other
Comprehensive
Loss

Non-
controlling
Interest

Total
(Dollars in millions, except per share data)Common
Stock
Additional
Paid-In
Capital
Treasury
Stock
Retained
Earnings
Accumulated
Other
Comprehensive
Loss
Non-
controlling
Interest
Total
Balance at January 1, 2015$5,061
$4,625

($23,298)
$36,180

($13,903)
$125

$8,790
Net earnings  5,176
 (3)5,173
Other comprehensive income, net of tax of ($686) 1,155
 1,155
Balance at January 1, 2018Balance at January 1, 2018$5,061 $6,804 ($43,454)$49,618 ($16,373)$57 $1,713 
Net earnings/(loss)Net earnings/(loss)10,460 (21)10,439 
Other comprehensive income, net of tax of ($379)Other comprehensive income, net of tax of ($379)1,290 1,290 
Share-based compensation and related dividend equivalents 214
 (25) 189
Share-based compensation and related dividend equivalents238 (36)202 
Excess tax pools 158
 158
Treasury shares issued for stock options exercised, net (29)428
 399
Treasury shares issued for stock options exercised, net(45)126 81 
Treasury shares issued for other share-based plans, net (134)53
 (81)Treasury shares issued for other share-based plans, net(229)(20)(249)
Common shares repurchased (6,751) (6,751)Common shares repurchased(9,000)(9,000)
Cash dividends declared ($3.82 per share) (2,575) (2,575)
Cash dividends declared ($7.19 per share)Cash dividends declared ($7.19 per share)(4,101)(4,101)
Changes in noncontrolling interests (60)(60)Changes in noncontrolling interests35 35 
Balance at December 31, 2015
$5,061
$4,834($29,568)
$38,756

($12,748)
$62

$6,397
Net earnings 4,895
 (1)4,894
Other comprehensive loss, net of tax of $425 (875) (875)
Balance at December 31, 2018Balance at December 31, 2018$5,061 $6,768 ($52,348)$55,941 ($15,083)$71 $410 
Net lossNet loss(636)(41)(677)
Other comprehensive loss, net of tax of $298Other comprehensive loss, net of tax of $298(1,070)(1,070)
Share-based compensation and related dividend equivalents 244
 (35) 209
Share-based compensation and related dividend equivalents245 (33)212 
Excess tax pools (84) (84)
Treasury shares issued for stock options exercised, net (63)383
 320
Treasury shares issued for stock options exercised, net(47)104 57 
Treasury shares issued for other share-based plans, net (169)89
 (80)Treasury shares issued for other share-based plans, net(221)(19)(240)
Common shares repurchased (7,001) (7,001)Common shares repurchased(2,651)(2,651)
Cash dividends declared ($4.69 per share) (2,902) (2,902)
Cash dividends declared ($8.22 per share)Cash dividends declared ($8.22 per share)(4,628)(4,628)
Changes in noncontrolling interests (1)(1)Changes in noncontrolling interests287 287 
Balance at December 31, 2016
$5,061

$4,762
($36,097)
$40,714

($13,623)
$60

$877
Net earnings 8,197
 (2)8,195
Other comprehensive income, net of tax of ($69)
 247
 247
Share-based compensation and related dividend equivalents 238
 (35) 203
Balance at December 31, 2019Balance at December 31, 2019$5,061 $6,745 ($54,914)$50,644 ($16,153)$317 ($8,300)
Impact of ASU 2016-13Impact of ASU 2016-13(162)(162)
Balance at January 1, 2020Balance at January 1, 2020$5,061 $6,745 ($54,914)$50,482 ($16,153)$317 ($8,462)
Net lossNet loss(11,873)(68)(11,941)
Other comprehensive loss, net of tax of $52Other comprehensive loss, net of tax of $52(980)(980)
Share-based compensationShare-based compensation250 250 
Treasury shares issued for stock options exercised, net (88)399
 311
Treasury shares issued for stock options exercised, net(26)63 37 
Treasury shares issued for other share-based plans, net (190)62
 (128)Treasury shares issued for other share-based plans, net(214)47 (167)
Treasury shares contributed to pension plans 2,082
1,418
 3,500
Treasury shares contributed to pension plans952 2,048 3,000 
Common shares repurchased (9,236) (9,236)
Cash dividends declared ($5.97 per share) (3,556) (3,556)
Treasury shares issued for 401(k) contributionTreasury shares issued for 401(k) contribution80 115 195 
Changes in noncontrolling interests (1)(1)Changes in noncontrolling interests(8)(8)
Balance at December 31, 2017
$5,061

$6,804

($43,454)
$45,320

($13,376)
$57

$412
OtherOther1 1 
Balance at December 31, 2020Balance at December 31, 2020$5,061 $7,787 ($52,641)$38,610 ($17,133)$241 ($18,075)
See Notes to the Consolidated Financial Statements on pages 5567106.

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The Boeing Company and Subsidiaries
Notes to the Consolidated Financial Statements
Summary of Business Segment Data
(Dollars in millions) 
Years ended December 31,
202020192018
Revenues:
Commercial Airplanes$16,162 $32,255 $57,499 
Defense, Space & Security26,257 26,095 26,300 
Global Services15,543 18,468 17,056 
Boeing Capital261 244 274 
Unallocated items, eliminations and other(65)(503)(2)
Total revenues$58,158 $76,559 $101,127 
(Loss)/earnings from operations:
Commercial Airplanes($13,847)($6,657)$7,830 
Defense, Space & Security1,539 2,615 1,692 
Global Services450 2,697 2,536 
Boeing Capital63 28 79 
Segment operating (loss)/earnings(11,795)(1,317)12,137 
Unallocated items, eliminations and other(2,355)(2,073)(1,477)
FAS/CAS service cost adjustment1,383 1,415 1,327 
(Loss)/earnings from operations(12,767)(1,975)11,987 
Other income, net447 438 92 
Interest and debt expense(2,156)(722)(475)
(Loss)/earnings before income taxes(14,476)(2,259)11,604 
Income tax benefit/(expense)2,535 1,623 (1,144)
Net (loss)/earnings(11,941)(636)10,460 
Less: net loss attributable to noncontrolling interest(68)
Net (loss)/earnings attributable to Boeing Shareholders($11,873)($636)$10,460 
(Dollars in millions)     
Years ended December 31, 
2017
 2016
 2015
Revenues:     
Commercial Airplanes
$56,729
 
$58,012
 
$59,399
Defense, Space & Security21,057
 22,563
 23,708
Global Services14,639
 13,925
 13,293
Boeing Capital307
 298
 413
Unallocated items, eliminations and other660
 (227) (699)
Total revenues
$93,392
 
$94,571
 
$96,114
Earnings from operations:     
Commercial Airplanes
$5,432
 
$1,995
 
$4,284
Defense, Space & Security2,223
 1,966
 2,312
Global Services2,256
 2,177
 1,835
Boeing Capital114
 59
 50
Segment operating profit10,025
 6,197
 8,481
Unallocated items, eliminations and other253
 (363) (1,038)
Earnings from operations10,278
 5,834
 7,443
Other income/(loss), net129
 40
 (13)
Interest and debt expense(360) (306) (275)
Earnings before income taxes10,047
 5,568
 7,155
Income tax expense(1,850) (673) (1,979)
Net earnings
$8,197
 
$4,895
 
$5,176
This information is an integral part of the Notes to the Consolidated Financial Statements. See Note 2122 for further segment results.




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The Boeing Company and Subsidiaries
Notes to the Consolidated Financial Statements
Years ended December 31, 2017, 20162020, 2019 and 20152018
(Dollars in millions, except per share data)otherwise stated)
Note 1 – Summary of Significant Accounting Policies
Principles of Consolidation and Basis of Presentation
The Consolidated Financial Statements included in this report have been prepared by management of The Boeing Company (herein referred to as “Boeing,” the “Company,” “we,” “us,” or “our”). These statements include the accounts of all majority-owned subsidiaries and variable interest entities that are required to be consolidated. All significant intercompany accounts and transactions have been eliminated. As described in Note 21, effective July 1, 2017,22, we now operate in four4 reportable segments: Commercial Airplanes (BCA); Defense, Space & Security (BDS), Global Services (BGS), and Boeing Capital (BCC). Effective at the beginning of 2020, certain programs were realigned between our BDS segment and Unallocated items, eliminations and other. Amounts in prior periods have been reclassified to conform to the current year presentation.
Liquidity Matters
The global outbreak of COVID-19 and the grounding of the 737 MAX airplane are having a significant adverse impact on our business and are expected to continue to negatively impact revenue, earnings and operating cash flow in future quarters. The COVID-19 pandemic has caused an unprecedented shock to demand for air travel, creating a tremendous challenge for our customers, our business and the entire aerospace manufacturing and services sector. We currently expect it will take approximately three years for travel to return to 2019 levels and a few years beyond that for the industry to return to long-term trend growth. There is significant uncertainty with respect to when commercial air traffic levels will recover, and whether and at what point capacity will return to and/or exceed pre-COVID-19 levels.
During 2020, net cash used by operating activities was $18.4 billion, and we expect negative operating cash flows in future quarters until commercial deliveries ramp up. In the first quarter of 2020, we entered into and fully drew on a $13.8 billion two-year delayed draw term loan credit agreement (delayed draw term loan facility). In the second quarter of 2020, we issued $25 billion of fixed rate senior notes that mature between 2023 and 2060. In the fourth quarter of 2020, we issued $4.9 billion of fixed rate senior notes that mature between 2024 and 2031. As a result, our cash and short-term investment balance was $25.6 billion and our debt balance was $63.6 billion at December 31, 2020.
The major credit rating agencies downgraded our short term and long term credit ratings during 2020, and there is risk for further downgrades. At December 31, 2020, our debt balance includes no commercial paper borrowings compared to $6.1 billion at December 31, 2019. In the current environment, we may have limited future access to the commercial paper market. In addition, we have term notes of $1.5 billion maturing in 2021.
At December 31, 2020, trade payables included $3.8 billion payable to suppliers who have elected to participate in supply chain financing programs. While access to supply chain financing has been reduced due to our current credit ratings and debt levels, we do not believe that these or future changes in the availability of supply chain financing will have a significant impact on our liquidity.
At December 31, 2020, we had $9.5 billion of unused borrowing capacity on revolving credit agreements. We anticipate that these credit lines will primarily serve as back-up liquidity to support our general corporate borrowing needs. Our borrowing capacity includes a $3.1 billion 364-day revolving credit facility, which is set to expire in October 2021.
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In addition to our debt issuances, we have taken a number of actions to improve liquidity. During the first quarter of 2020, our Board of Directors terminated its prior authorization to repurchase shares of the Company’s outstanding common stock and suspended the declaration and/or payment of dividends until further notice. We have also reduced production rates in our commercial business to reflect the impact of COVID-19 on the industry. We are executing on our plans to reduce our workforce through a combination of voluntary and involuntary layoffs and natural turnover. During 2020, we recorded severance costs for approximately 26,000 employees, of which approximately 18,000 have left the Company as of December 31, 2020, and the remainder are expected to leave in 2021. In the fourth quarter of 2020, we began using our common stock in lieu of cash to fund Company contributions to our 401(k) plans. In December 2020, we awarded most of our employees a one-time stock grant that will vest in three years in lieu of merit increases. We expect these actions to further enable the Company to conserve cash.
We are also working with our customers and supply chain to accelerate receipts and conserve cash. For example, the United States Department of Defense (U.S. DoD) has taken steps to work with its industry partners to increase liquidity in the form of increased progress payment rates and reductions in withholds among other initiatives. We are also deferring certain tax payments pursuant to the Coronavirus Aid, Relief, and Economic Security (CARES) Act.
We have reduced discretionary spending, including reducing or deferring research and development and capital expenditures.
In July 2020, we announced our business transformation efforts to assess our business across five key pillars – infrastructure, overhead and organization, portfolio and investments, supply chain health and operational excellence. Within the infrastructure pillar we are assessing our overall facility requirements in light of reduced demand in our commercial businesses and remote and virtual work opportunities for large numbers of our workforce. We also anticipate a reduction in office space needs compared to our current capacity. However, as we consolidate our footprint, we may incur near term adverse impacts to earnings. The overhead and organization pillar is focused on our cost structure and how we are organized so we can right size our workforce and simplify and reduce management layers and bureaucracy. The portfolio and investments pillar includes aligning our portfolio and investments to focus on our core business and the changes in market conditions. The supply chain pillar is focused on supply chain health and stability, reducing indirect procurement spend and streamlining our transportation, logistics and warehousing approach. The operational excellence pillar is focused on improving performance, enhancing quality and reducing rework. These activities are not intended to constrain our capacity, but to enable the Company to emerge stronger and be more resilient when the market recovers.
Based on our current best estimates of market demand, planned production rates, timing of cash receipts and expenditures, our ability to successfully implement further actions to improve liquidity as well as our ability to access additional liquidity, if needed, we believe it is probable that we will be able to fund our operations for the foreseeable future.
Use of Estimates
Management makes assumptions and estimates to prepareThe preparation of financial statements in conformity with U.S. generally accepted accounting principles generally accepted in the United States of America. Those(GAAP) requires management to make estimates and assumptions and estimates directlythat affect the reported amounts reported inof assets and liabilities and disclosure of contingent assets and liabilities at the Consolidated Financial Statements. Significant estimates for which changes in the near term are considered reasonably possible and that may have a material impact ondate of the financial statements and the reported amounts of revenues and expenses during the reporting period. We believe that the accounting estimates and assumptions are disclosed in these Notes toappropriate given the Consolidated Financial Statements.increased uncertainties surrounding the severity and duration of the impacts of the COVID-19 pandemic, however actual results could differ from those estimates.
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Operating Cycle
For classification of certain current assets and liabilities, we use the duration of the related contract or program as our operating cycle, which is generally longer than one year.year.
Standards Issued and Implemented
In the first quarter of 2020, we adopted ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, using a modified retrospective method, which resulted in the recognition of allowances for credit losses on our Consolidated Statement of Financial Position as of January 1, 2020 and a $162 cumulative-effect adjustment to retained earnings to align our credit loss methodology with the new standard. The standard replaces the incurred loss impairment methodology under Topic 310 with a methodology that reflects expected credit losses and requires the use of a forward-looking expected credit loss model for accounts receivables, loans, and certain other financial assets. See Notes 5, 6, 9 and 14 for additional disclosures.
In the first quarter of 2020, we also adopted ASU 2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. The standard simplifies the quantitative impairment test from a two-step process to a one-step process. The quantitative test is performed by comparing the carrying value of net assets to the estimated fair value of the related operations. If the fair value is determined to be less than carrying value, the shortfall up to the carrying value of the goodwill represents the amount of goodwill impairment. The standard continues to permit a company to test goodwill for impairment by performing a qualitative assessment or using the quantitative test.
Revenue and Related Cost Recognition
Contract Accounting Contract accounting is used for development and production activities predominantly by BDS and for defenseCommercial aircraft contracts at BGS. The majority of these activitiesour BCA segment revenue is derived from commercial aircraft contracts. For each contract, we determine the transaction price based on the consideration expected to be received. We allocate the transaction price to each commercial aircraft performance obligation based on relative standalone selling prices adjusted by an escalation formula as specified in the customer agreement. Revenue is recognized for each commercial aircraft performance obligation at the point in time when the aircraft is completed and accepted by the customer. We use program accounting to determine the amount reported as cost of sales.
In certain situations, where an aircraft is still in our possession, and title and risk of loss has passed to the customer (known as a bill-and-hold arrangement), revenue will be recognized when all specific requirements for transfer of control under a bill-and-hold arrangement have been met.
Payments for commercial aircraft sales are performedreceived in accordance with the customer agreement, which generally includes a deposit upon order and additional payments in accordance with a payment schedule, with the balance being due immediately prior to or at aircraft delivery. Advances and progress billings (contract liabilities) are normal and customary for commercial aircraft contracts and not considered a significant financing component as they are intended to protect us from the other party failing to adequately complete some or all of its obligations under the contract.
Long-term contracts Substantially all contracts at BDS and certain contracts at BGS are long-term contracts with the U.S. government and other customers that generally extend over several years. ContractProducts sales under long-term contracts primarily include fighter jets, rotorcraft, cybersecurity products, surveillance suites, advanced weapons, missile defense, military derivative aircraft, satellite systems, and modification of commercial passenger aircraft to cargo freighters. Services sales under long-term contracts primarily include support and maintenance agreements associated with our commercial and defense products and space travel on Commercial Crew.
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For each long-term contract, we determine the transaction price based on the consideration expected to be received. We allocate the transaction price to each distinct performance obligation to deliver a good or service, or a collection of goods and/or services, based on the relative standalone selling prices. A long-term contract will typically represent a single distinct performance obligation due to the highly interdependent and interrelated nature of the underlying goods and/or services and the significant service of integration that we provide. While the scope and price on certain long-term contracts may be modified over their life, the transaction price is based on current rights and obligations under the contract and does not include potential modifications until they are agreed upon with the customer. When applicable, a cumulative adjustment or separate recognition for the additional scope and price may result. Long-term contracts can be negotiated with a fixed price or a price in which we are reimbursed for costs incurred plus an agreed upon profit. The Federal Acquisition Regulations provide guidance on the types of cost that will be reimbursed in establishing the price for contracts with the U.S. government. Certain long-term contracts include in the transaction price variable consideration, such as incentive and award fees, if specified targets are achieved. The amount included in the transaction price represents the expected value, based on a weighted probability, or the most likely amount.
Long-term contract revenue is recognized over the contract term (over time) as the work progresses, either as products are produced or as services are rendered. We generally recognize revenue over time as we perform on long-term contracts because of continuous transfer of control to the customer. For U.S. government contracts, this continuous transfer of control to the customer is supported by clauses in the contract that allow the customer to unilaterally terminate the contract for convenience, pay us for costs incurred plus a reasonable profit and take control of any work in process. Similarly, for non-U.S. government contracts, the customer typically controls the work in process as evidenced either by contractual termination clauses or by our rights to payment of the transaction price associated with work performed to date on products or services that do not have an alternative use to the Company.
The accounting for long-term contracts involves a judgmental process of estimating total sales, costs and costsprofit for each contract resulting in the development of estimated costperformance obligation. Cost of sales percentages. For each contract,is recognized as incurred. The amount reported as revenues is determined by adding a proportionate amount of the estimated profit to the amount reported as cost of sales is determined by applyingsales. Recognizing revenue as costs are incurred provides an objective measure of progress on the estimated costlong-term contract and thereby best depicts the extent of sales percentagetransfer of control to the amount of revenue recognized. When the current estimates of total sales and costs for a contract indicate a loss, a provision for the entire loss on the contract is recognized.customer.
Changes in estimated revenues, cost of sales and the related effect on operating income are recognized using a cumulative catch-up adjustment which recognizes in the current period the cumulative effect of the changes on current and prior periods based on a long-term contract’s percent complete. percentage-of-completion. When the current estimates of total sales and costs for a long-term contract indicate a loss, a provision for the entire reach-forward loss on the long-term contract is recognized.
Net cumulative catch-up adjustments to prior years’years' revenue and earnings, including certain reach-forward losses, across all long-term contracts were as follows:
 2017
 2016
 2015
Increase/(decrease) to Earnings from Operations
$14
 
($912) 
($224)
Increase/(decrease) to Diluted EPS
$0.02
 
($1.25) 
($0.23)
202020192018
(Decrease)/Increase to Revenue($359)$54 $137 
Increase to Loss/decrease to Earnings from operations($942)($111)($190)
Decrease to Diluted EPS($1.37)($0.06)($0.29)
Significant adjustments during the three years ended December 31, 20172020 included reach-forward losses of $471, $1,128$953, $148 and $835$736 on the USAF KC-46A Tanker contract recorded during 2017, 20162020, 2019, and 2015.

2018, as well as reach-forward losses on Commercial Crew of $489 during 2019.

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Due to the significance of judgment in the estimation process, changes in underlying assumptions/estimates, supplier performance, or circumstances may adversely or positively affect financial performance in future periods.
We combinePayments under long-term contracts for accounting purposes whenmay be received before or after revenue is recognized. The U.S. government customer typically withholds payment of a small portion of the contract price until contract completion. Therefore, long-term contracts typically generate Unbilled receivables (contract assets) but may generate Advances and progress billings (contract liabilities). Long-term contract Unbilled receivables and Advances and progress billings are not considered a significant financing component because they are negotiated as a package with an overall profit margin objective. These essentially represent an agreementintended to do a single project for a singleprotect either the customer involve interrelated construction activities with substantial common costs, and are performed concurrently or sequentially. When a group of contracts is combined, revenue and profit are earned uniformly over the performanceCompany in the event that some or all of the combined contracts. Similarly,obligations under the contract are not completed.
Commercial spare parts contracts Certain contracts at our BGS segment include sales of commercial spare parts. For each contract, we may segment a single contract or group of contracts when a clear economic decision has been made during contract negotiations that would produce different rates of profitability for each element or phase ofdetermine the contract.
Sales related to fixed-price contracts are recognized as deliveries are made, except for certain fixed-price contracts that require substantial performance over an extended period before deliveries begin, for which sales are recordedtransaction price based on the attainment of performance milestones. Sales related to contracts in which we are reimbursed for costs incurred plus an agreed upon profit are recorded as costs are incurred. The Federal Acquisition Regulations provide guidance on the types of cost that will be reimbursed in establishing contract price. Contracts may contain provisions to earn incentive and award fees if specified targets are achieved. Incentive and award fees that can be reasonably estimated and are probable are recorded over the performance period of the contract. Incentive and award fees that cannot be reasonably estimated are recorded when awarded.
Program Accounting Our Commercial Airplanes segment uses program accounting to account for cost of sales related to its programs. Program accounting is applicable to products manufactured for delivery under production-type contracts where profitability is realized over multiple contracts and years. Under program accounting, inventoriable production costs, program tooling and other non-recurring costs, and warranty costs are accumulated and charged to cost of sales by program instead of by individual units or contracts. A program consists of the estimated number of units (accounting quantity) of a product to be produced in a continuing, long-term production effort for delivery under existing and anticipated contracts. The determination of the accounting quantity is limited by the ability to make reasonably dependable estimates of the revenue and cost of existing and anticipated contracts. To establish the relationship of sales to cost of sales, program accounting requires estimates of (a) the number of units to be produced and sold in a program, (b) the period over which the units can reasonably beconsideration expected to be produced, and (c)received. The spare parts have discrete unit prices that represent fair value. We generally consider each spare part to be a separate performance obligation. Revenue is recognized for each commercial spare part performance obligation at the units’ expected sales prices, production costs, program tooling and other non-recurring costs, and routine warranty costs for the total program.
We recognize sales for commercial airplane deliveries as each unit is completed and accepted bypoint in time of delivery to the customer. Sales recognized representWe may provide our customers with a right to return a commercial spare part where a customer may receive a full or partial refund, a credit applied to amounts owed, a different product in exchange, or any combination of these items. We consider the price negotiated with thepotential for customer adjusted by an escalation formula as specifiedreturns in the customer agreement.estimated transaction price. The amount reported as cost of sales is determined by applyingrecorded at average cost. Payments for commercial spare parts sales are typically received shortly after delivery.
Other service revenue contracts Certain contracts at our BGS segment are for sales of services to commercial customers including maintenance, training, data analytics and information-based services. We recognize revenue for these service performance obligations over time as the estimated costservices are rendered. The method of measuring progress (such as straight-line or billable amount) varies depending upon which method best depicts the transfer of control to the customer based on the type of service performed. Cost of sales percentage for the total remaining program to the amount of sales recognized for airplanes delivered and accepted by the customer. Changes in estimated revenues, cost of sales and the related effects on program margins are recognized prospectively except in cases where the program is determined to have a reach-forward loss in which case the loss is recognized in the current period. Reductions to a reach-forward loss are spread over all undelivered units in the accounting quantity, whereas increases to the estimated loss are recorded immediately. See Note 11.as incurred.
Concession Sharing Arrangements We account for sales concessions to our customers in consideration of their purchase of products and services as a reduction toof the transaction price and the revenue whenthat is recognized for the related products and services are delivered.performance obligations. The sales concessions incurred may be partially reimbursed by certain suppliers in accordance with concession sharing arrangements. We record these reimbursements, which are presumed to represent reductions in the price of the vendor’s products or services, as a reduction in Cost of products.
Spare Parts Revenue We recognize sales of spare parts upon deliveryUnbilled Receivables and the amount reported as cost of sales is recorded at average cost.
Service Revenue Service revenue is recognizedAdvances and Progress Billings Unbilled receivables (contract assets) arise when the service is performedCompany recognizes revenue for amounts which cannot yet be billed under terms of the contract with the exceptioncustomer. Advances and progress billings (contract liabilities) arise when the Company receives payments from customers in advance of U.S. government service agreements, which are accountedrecognizing revenue. The amount of Unbilled receivables or Advances and progress billings is determined for using contract accounting. Service activitieseach contract.


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primarily include: support agreements associated with military aircraft and helicopter contracts, space travel on Commercial Crew, ongoing maintenance of International Space Station, military and commercial aircraft training contracts, fleet care, and technical and flight operation services for commercial aircraft. Service revenue and associated cost of sales from pay-in-advance subscription fees are deferred and recognized as services are rendered.
Financial Services Revenue We record financial services revenue associated with sales-type/finance leases, operating leases, and notes receivable.
Lease and financing revenue arrangements are included in Sales of services on the Consolidated Statements of Operations. For sales-type/finance leases, we record an assetfinancing receivables at lease inception. This assetA financing receivable is recorded at the aggregate of future minimum lease payments, estimated residual value of the leased equipment, and deferred incremental direct costs less unearned income. Income is recognized over the life of the lease to approximate a level rate of return on the net investment. Income recognition is generally suspended for financing receivables at the date full recovery of income and principal becomes not probable. Income is recognized when financing receivables become contractually current and performance is demonstrated by the customer.Residual
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values, which are reviewed periodically, represent the estimated amount we expect to receive at lease termination from the disposition of the leased equipment. Actual residual values realized could differ from these estimates. Declines in estimated residual value that are deemed other-than-temporary are recognized in the period in which the declines occur.
For operating leases, revenue on leased aircraft and equipment is recorded on a straight-line basis over the term of the lease. Operating lease assets, included in Customer financing, are recorded at cost and depreciated over the period that we project we will hold the asset to an estimated residual value, using the straight-line method. We periodically review our estimates of residual value and recognize forecasted changes by prospectively adjusting depreciation expense.
For notes receivable, notes are recorded net of any unamortized discounts and deferred incremental direct costs. Interest income and amortization of any discounts are recorded ratably over the related term of the note.
Reinsurance Revenue Our wholly-owned insurance subsidiary, Astro Ltd., participates in a reinsurance pool for workers’ compensation. The member agreements and practices of the reinsurance pool minimize any participating members’ individual risk. Reinsurance revenues were $141, $147$129, $151 and $136$145 during 2017, 20162020, 2019 and 2015,2018, respectively. Reinsurance costs related to premiums and claims paid to the reinsurance pool were $144, $139$136, $150 and $132$136 during 2017, 20162020, 2019 and 2015,2018, respectively. Revenues and costs are presented net in Cost of sales in the Consolidated Statements of Operations.
Fleet Support
We provide assistance and support to facilitate efficient and safe aircraft operation to the operators of all our commercial airplane models. Collectively known as fleet support, these activities and support services include flight and maintenance training, field service support, engineering support, and technical data and documents. Fleet support activity begins prior to aircraft delivery as the customer receives training, manuals, and technical consulting support. This activity continues throughout the aircraft’s operational life. Services provided after delivery include field service support, consulting on maintenance, repair, and operational issues brought forth by the customer or regulators, updating manuals and engineering data, and the issuance of service bulletins that impact the entire model’s fleet. Field service support involves our personnel located at customer facilities providing and coordinating fleet support activities and requests. The costs for fleet support are expensed as incurred as Cost of services.
Research and Development
Research and development includes costs incurred for experimentation, design, and testing, as well as bid and proposal efforts related to government products and services which are expensed as incurred


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unless the costs are related to certain contractual arrangements with customers. Costs that are incurred pursuant to such contractual arrangements are recorded over the period that revenue is recognized, consistent with our contract accounting policy. We have certain research and development arrangements that meet the requirement for best efforts research and development accounting. Accordingly, the amounts funded by the customer are recognized as an offset to our research and development expense rather than as contract revenues. Research and development expense included bid and proposal costs of $288, $311$224, $214 and $286$234 in 2017, 20162020, 2019 and 2015,2018, respectively.
Share-Based Compensation
We provide various forms of share-based compensation to our employees. For awards settled in shares, we measure compensation expense based on the grant-date fair value net of estimated forfeitures. For awards settled in cash, or that may be settled in cash, we measure compensation
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expense based on the fair value at each reporting date net of estimated forfeitures. The expense is recognized over the requisite service period, which is generally the vesting period of the award.
Income Taxes
Provisions for U.S. federal, state and local, and non-U.S. income taxes are calculated on reported Earnings(Loss)/earnings before income taxes based on current tax law and also include, in the current period, the cumulative effect of any changes in tax rates from those used previously in determining deferred tax assets and liabilities. Such provisions differ from the amounts currently receivable or payable because certain items of income and expense are recognized in different time periods for financial reporting purposes than for income tax purposes. Significant judgment is required in determining income tax provisions and evaluating tax positions.
The accounting for uncertainty in income taxes requires a more-likely-than-not threshold for financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. We record a liability for the difference between the benefit recognized and measured for financial statement purposes and the tax position taken or expected to be taken on our tax return. To the extent that our assessment of such tax positions changes, the change in estimate is recorded in the period in which the determination is made. Tax-related interest and penalties are classified as a component of Income tax expense.benefit/(expense).
We also assess the likelihood that we will be able to recover our deferred tax assets against future sources of taxable income and reduce the carrying amounts of deferred tax assets by recording a valuation allowance if, based on the available evidence, it is more likely than not that all or a portion of such assets will not be realized. Changes in our estimates and judgments regarding realization of deferred tax assets may result in an increase or decrease to our tax expense and/or other comprehensive income, which would be recorded in the period in which the change occurs.
Postretirement Plans
The majorityMany of our employees have earned benefits under defined benefit pension plans. Nonunion and the majority of union employees that had participated in defined benefit pension plans transitioned to a company-funded defined contribution retirement savings plan in 2016. Additional union employees transitioned to company-funded defined contribution retirement savings plans effective January 1, 2019. We also provide postretirement benefit plans other than pensions, consisting principally of health care coverage to eligible retirees and qualifying dependents. Benefits under the pension and other postretirement benefit plans are generally based on age at retirement and years of service and, for some pension plans, benefits are also based on the employee’s annual earnings. The net periodic cost of our pension and other postretirement plans is determined using the projected unit credit method and several actuarial assumptions, the most significant of which are the discount rate, the long-term rate of asset return, and medical trend (rate of growth for medical costs). A portion of the service cost component of net periodic pension and other postretirement income or expense is not recognized in net earnings in the year incurred because it is allocated to production as product costs, and reflected in inventory at the end of a reporting period. Actuarial gains and losses, which occur when actual experience differs from actuarial assumptions, are reflected in Shareholders’ equity (net of taxes). If actuarial gains and losses exceed ten percent of the greater of plan assets or plan liabilities we amortize them over the average expected future service periodlifetime of employees.participants. The funded status of our pension and postretirement plans is reflected on the Consolidated Statements of Financial Position.


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Postemployment Plans
We record a liability for postemployment benefits, such as severance or job training, when payment is probable, the amount is reasonably estimable, and the obligation relates to rights that have vested or accumulated.
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Environmental Remediation
We are subject to federal and state requirements for protection of the environment, including those for discharge of hazardous materials and remediation of contaminated sites. We routinely assess, based on in-depth studies, expert analyses and legal reviews, our contingencies, obligations, and commitments for remediation of contaminated sites, including assessments of ranges and probabilities of recoveries from other responsible parties and/or insurance carriers. Our policy is to accrue and charge to current expense identified exposures related to environmental remediation sites when it is probable that a liability has been incurred and the amount can be reasonably estimated. The amount of the liability is based on our best estimate or the low end of a range of reasonably possible exposure for investigation, cleanup, and monitoring costs to be incurred. Estimated remediation costs are not discounted to present value as the timing of payments cannot be reasonably estimated. We may be able to recover a portion of the remediation costs from insurers or other third parties. Such recoveries are recorded when realization of the claim for recovery is deemed probable.
Cash and Cash Equivalents
Cash and cash equivalents consist of highly liquid instruments, such as commercial paper, time deposits, and other money market instruments, which have original maturities of three months or less. We aggregate our cash balances by bank where conditions for right of set-off are met, and reclassify any negative balances, consisting mainly of uncleared checks, to Accounts payable. Negative balances reclassified to Accounts payable were $116$74 and $77$101 at December 31, 20172020 and 2016.2019.
Inventories
Inventoried costs on commercial aircraft programs and long-term contracts include direct engineering, production and tooling and other non-recurring costs, and applicable overhead, which includes fringe benefits, production related indirect and plant management salaries and plant services, not in excess of estimated net realizable value. To the extent a material amount of such costs are related to an abnormal event or are fixed costs not appropriately attributable to our programs or contracts, they are expensed in the current period rather than inventoried. Inventoried costs include amounts relating to programs and contracts with long-term production cycles, a portion of which is not expected to be realized within one year. Included in inventory for federal government contracts is an allocation of allowable costs related to manufacturing process reengineering.
Commercial aircraft programs inventory includes deferred production costs and supplier advances. Deferred production costs represent actual costs incurred for production of early units that exceed the estimated average cost of all units in the program accounting quantity. Higher production costs are experienced at the beginning of a new or derivative airplane program. Units produced early in a program require substantially more effort (labor and other resources) than units produced later in a program because of volume efficiencies and the effects of learning. We expect that these deferred costs will be fully recovered when all units included in the accounting quantity are delivered as the expected unit cost for later deliveries is below the estimated average cost of all units in the program. Supplier advances represent payments for parts we have contracted to receive from suppliers in the future. As parts are received, supplier advances are amortized to work in process.


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The determination of net realizable value of long-term contract costs is based upon quarterly reviews that estimate costs to be incurred to complete all contract requirements. When actual contract costs and the estimate to complete exceed total estimated contract revenues, a loss provision is recorded. The determination of net realizable value of commercial aircraft program costs is based upon quarterly program reviews that estimate revenue and cost to be incurred to complete the program accounting quantity. When estimated costs to complete exceed estimated program revenues to go, a program loss provision is recorded in the current period for the estimated loss on all undelivered units in the accounting quantity.
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Used aircraft purchased by the Commercial Airplanes segment and general stock materials are stated at cost not in excess of net realizable value. See ‘Aircraft Valuation’ within this Note for a discussion of our valuation of used aircraft. Spare parts inventory is stated at lower of average unit cost or net realizable value. We review our commercial spare parts and general stock materials quarterly to identify impaired inventory, including excess or obsolete inventory, based on historical sales trends, expected production usage, and the size and age of the aircraft fleet using the part. Impaired inventories are charged to Cost of products in the period the impairment occurs.
Included in inventory for commercial aircraft programs are amounts paid or credited in cash, or other consideration to certain airline customers, that are referred to as early issue sales consideration. Early issue sales consideration is recognized as a reduction to revenue when the delivery of the aircraft under contract occurs. If an airline customer does not perform and take delivery of the contracted aircraft, we believe that we would have the ability to recover amounts paid. However, to the extent early issue sales consideration exceeds advances and is not considered to be otherwise recoverable, it would be written off in the current period.
We net advances and progress billings on long-term contracts against inventory in the Consolidated Statements of Financial Position. Advances and progress billings in excess of related inventory are reported in Advances and billings in excess of related costs.
Precontract Costs
We may, from time to time, incur costs in excess of the amounts required for existing contracts. If we determine the costs are probable of recovery from future orders, then we capitalize the precontract costs we incur, excluding start-up costs which are expensed as incurred. Capitalized precontract costs are included in Inventories net of advances and progress billings, in the accompanying Consolidated Statements of Financial Position. Should future orders not materialize or we determine the costs are no longer probable of recovery, the capitalized costs would be written off.
Property, Plant and Equipment
Property, plant and equipment are recorded at cost, including applicable construction-period interest, less accumulated depreciation and are depreciated principally over the following estimated useful lives: new buildings and land improvements, from 10 to 40 years; and new machinery and equipment, from 4 to 20 years. The principal methods of depreciation are as follows: buildings and land improvements, 150% declining balance; and machinery and equipment, sum-of-the-years’ digits. Capitalized internal use software is included in Other assets and amortized using the straight line method over 5 years. Capitalized software as a service is included in Other assets and amortized using the straight line method over the term of the hosting arrangement which is typically no greater than 10 years. We periodically evaluate the appropriateness of remaining depreciable lives assigned to long-lived assets, including assets that may be subject to a management plan for disposition.
Long-lived assets held for sale are stated at the lower of cost or fair value less cost to sell. Long-lived assets held for use are subject to an impairment assessment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. If the carrying value is no longer recoverable based upon the undiscounted future cash flows of the asset, the amount of the impairment is the difference between the carrying amount and the fair value of the asset.

Leases We determine if an arrangement is, or contains, a lease at the inception date. Operating leases are included in Other assets, with the related liabilities included in Accrued liabilities and Other long-term liabilities. Assets under finance leases, which primarily represent computer equipment, are included in Property, plant and equipment, net, with the related liabilities included in Short-term debt and current portion of long-term debt and Long-term debt on the Consolidated Statements of Financial Position.
Operating lease assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Operating lease assets and liabilities are recognized at the lease commencement date based on the estimated present

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value of lease payments over the lease term. We use our estimated incremental borrowing rate in determining the present value of lease payments. Variable components of the lease payments such as fair market value adjustments, utilities, and maintenance costs are expensed as incurred and not included in determining the present value. Our lease terms include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense is recognized on a straight-line basis over the lease term.
We have lease agreements with lease and non-lease components which are accounted for as a single lease component.
Asset Retirement Obligations
We record all known asset retirement obligations for which the liability’s fair value can be reasonably estimated, including certain asbestos removal, asset decommissioning and contractual lease restoration obligations. Recorded amounts are not material.
We also have known conditional asset retirement obligations, such as certain asbestos remediation and asset decommissioning activities to be performed in the future, that are not reasonably estimable due to insufficient information about the timing and method of settlement of the obligation. Accordingly, these obligations have not been recorded in the Consolidated Financial Statements. A liability for these obligations will be recorded in the period when sufficient information regarding timing and method of settlement becomes available to make a reasonable estimate of the liability’s fair value. In addition, there may be conditional asset retirement obligations that we have not yet discovered (e.g., asbestos may exist in certain buildings but we have not become aware of it through the normal course of business), and therefore, these obligations also have not been included in the Consolidated Financial Statements.
Goodwill and Other Acquired Intangibles
Goodwill and other acquired intangible assets with indefinite lives are not amortized, but are tested for impairment annually and when an event occurs or circumstances change such that it is more likely than not that an impairment may exist. Our annual testing date is April 1.
We test goodwill for impairment by performing a qualitative assessment or using a two-step impairment process.quantitative test. If we choose to perform a qualitative assessment and determine it is more likely than not that the carrying value of the net assets is more than the fair value of the related operations, the two-step impairment processquantitative test is then performed; otherwise, no further testing is required. For operations where the two-step impairment processquantitative test is used, we first compare the carrying value of net assets to the estimated fair value of the related operations. If the fair value is determined to be less than carrying value, a second step is performedthe shortfall up to compute the amount of the impairment. In this process, a fair value for goodwill is estimated, based in part on the faircarrying value of the operations, and is compared to its carrying value. The shortfall of the fair value below carrying valuegoodwill represents the amount of goodwill impairment.
Indefinite-lived intangibles consist of a brand and trade namesname and in-process research and development (IPR&D) acquired in business combinations. IPR&D is initially capitalized at fair value as an intangible asset with an indefinite life and assessed for impairment thereafter. IPR&D is reclassified to finite-lived acquired intangible assets when a project is completed, and then amortized on a straight-line basis over the asset’s estimated useful life. We test these intangibles for impairment by comparing theirthe carrying valuevalues to current projections of related discounted cash flows attributable to the brand and trade names.flows. Any excess carrying value over the amount of discounted cash flows represents the amount of the impairment.
Our finite-lived acquired intangible assets are amortized on a straight-line basis over their estimated useful lives as follows: developed technology, from 4 to 14 years; product know-how, from 36 to 30 years; customer base, from 3 to 17 years; distribution rights, from 3 to 27 years; and other, from 21 to 32 years. We evaluate the potential impairment of finite-lived acquired intangible assets whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. If the carrying
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value is no longer recoverable based upon the undiscounted future cash flows of the asset, the amount of the impairment is the difference between the carrying amount and the fair value of the asset.


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Investments
Time deposits are held-to-maturity investments that are carried at cost.
Available-for-sale debt securities include commercial paper, U.S. government agency securities, and corporate debt securities. Available-for-sale debt securities are recorded at fair value, and unrealized gains and losses are recorded, net of tax, as a component of accumulated other comprehensive income. Realized gains and losses on available-for-sale debt securities are recognized based on the specific identification method. Available-for-sale debt securities are assessed for impairment quarterly.
The equity method of accounting is used to account for investments for which we have the ability to exercise significant influence, but not control, over an investee. Significant influence is generally deemed to exist if we have an ownership interest in the voting stock of an investee of between 20% and 50%. The cumulative earnings approach is used for cash flow classification of distributions received from equity method investments.
Other Equity investments are recorded at fair value, with gains and losses recorded through net earnings. Equity investments without readily determinable fair value are measured at cost, less impairments, plus or minus observable price changes. Equity investments without readily determinable fair value are assessed for impairment quarterly.
We classify investment income and loss on our Consolidated Statements of Operations based on whether the investment is operating or non-operating in nature. Operating investments align strategically and are integrated with our operations. Earnings from operating investments, including our share of income or loss from equity method investments, dividend income from certain cost methodother equity investments, and any impairments or gain/loss on the disposition of these investments, are recorded in Income from operating investments, net. Non-operating investments are those we hold for non-strategic purposes. Earnings from non-operating investments, including interest and dividends on marketable securities, and any impairments or gain/loss on the disposition of these investments are recorded in Other income/(expense)(loss), net.
Derivatives
All derivative instruments are recognized in the financial statements and measured at fair value regardless of the purpose or intent of holding them. We use derivative instruments to principally manage a variety of market risks. For derivatives designated as hedges of the exposure to changes in fair value of the recognized asset or liability or a firm commitment (referred to as fair value hedges), the gain or loss is recognized in earnings in the period of change together with the offsetting loss or gain on the hedged item attributable to the risk being hedged. The effect of that accounting is to include in earnings the extent to which the hedge is not effective in achieving offsetting changes in fair value. For our cash flow hedges, the effective portion of the derivative’s gain or loss is initially reported in comprehensive income and is subsequently reclassified into earnings in the same period or periods during which the hedged forecasted transaction affects earnings. The ineffective portion of the gain or loss of a cash flow hedge is reported in earnings immediately. We have agreements to purchase and sell aluminum to address long-term strategic sourcing objectives and international business requirements. These agreements are derivatives for accounting purposes but are not designated for hedge accounting treatment. We also hold certain derivative instruments for economic purposes that are not designated for hedge accounting treatment. For these aluminum agreements and for other derivative instruments not designated for hedge accounting treatment, the changes in their fair value are recorded in earnings immediately.
Allowances for losses on certain financial assets
We establish allowances for credit losses on accounts receivable, unbilled receivables, customer financing receivables, and certain other financial assets. The adequacy of these allowances are assessed quarterly through consideration of factors including, but not limited to, customer credit ratings, bankruptcy filings, published or estimated credit default rates, age of the receivable, expected loss rates
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and collateral exposures. We assign internal credit ratings for all customers and determine the creditworthiness of each customer based upon publicly available information and information obtained directly from our customers. Our rating categories are comparable to those used by major credit rating agencies.
Aircraft Valuation
Used aircraft under trade-in commitments and aircraft under repurchase commitments In conjunction with signing a definitive agreement for the sale of new aircraft (Sale Aircraft), we have entered into trade-in commitments with certain customers that give them the right to trade in used aircraft at a specified price upon the purchase of Sale Aircraft. Additionally, we have entered into contingent repurchase commitments with certain customers wherein we agree to repurchase the Sale Aircraft at a specified price, generally 10 to 15 years after delivery of the Sale Aircraft. Our repurchase of the Sale Aircraft is contingent upon a future, mutually acceptable agreement for the sale of additional new aircraft. If we execute an agreement for the sale of additional new aircraft, and if the customer exercises its right to sell the Sale


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Aircraft to us, a contingent repurchase commitment would become a trade-in commitment. Our historical experience is that contingent repurchase commitments infrequently become trade-in commitments.
Exposure related to trade-in commitments may take the form of:
(1)adjustments to revenue for the difference between the contractual trade-in price in the definitive agreement and our best estimate of the fair value of the trade-in aircraft as of the date of such agreement, which would be recognized upon delivery of the Sale Aircraft, and/or
(2)charges to cost of products for adverse changes in the fair value of trade-in aircraft that occur subsequent to signing of a definitive agreement for Sale Aircraft but prior to the purchase of the used trade-in aircraft. Estimates based on current aircraft values would be included in Accrued liabilities.
(1)adjustments to revenue for the difference between the contractual trade-in price in the definitive agreement and our best estimate of the fair value of the trade-in aircraft as of the date of such agreement, which would be recognized upon delivery of the Sale Aircraft, and/or
(2)charges to cost of products for adverse changes in the fair value of trade-in aircraft that occur subsequent to signing of a definitive agreement for Sale Aircraft but prior to the purchase of the used trade-in aircraft. Estimates based on current aircraft values would be included in Accrued liabilities.
The fair value of trade-in aircraft is determined using aircraft-specific data such as model, age and condition, market conditions for specific aircraft and similar models, and multiple valuation sources. This process uses our assessment of the market for each trade-in aircraft, which in most instances begins years before the return of the aircraft. There are several possible markets in which we continually pursue opportunities to place used aircraft. These markets include, but are not limited to, the resale market, which could potentially include the cost of long-term storage; the leasing market, with the potential for refurbishment costs to meet the leasing customer’s requirements; or the scrap market. Trade-in aircraft valuation varies significantly depending on which market we determine is most likely for each aircraft. On a quarterly basis, we update our valuation analysis based on the actual activities associated with placing each aircraft into a market or using current published third-party aircraft valuations based on the type and age of the aircraft, adjusted for individual attributes and known conditions.
Used aircraft acquired by the Commercial Airplanes segment are included in Inventories at the lower of cost or net realizable value as it is our intent to sell these assets. To mitigate costs and enhance marketability, aircraft may be placed on operating lease. While on operating lease, the assets are included in Customer financing.
Customer financing Customer financing includes operating lease equipment, notes receivable, and sales-type/finance leases. Sales-type/finance leases are treated as receivables, and allowances for losses are established as necessary.
We assess the fair value of the assets we own, including equipment under operating leases, assets held for sale or re-lease, and collateral underlying receivables, to determine if their fair values are less
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than the related assets’ carrying values. Differences between carrying values and fair values of sales-type/finance leases and notes and other receivables, as determined by collateral value, are considered in determining the allowance for losses on receivables.
We use a median calculated from published collateral values from multiple third-party aircraft value publications based on the type and age of the aircraft to determine the fair value of aircraft. Under certain circumstances, we apply judgment based on the attributes of the specific aircraft or equipment, usually when the features or use of the aircraft vary significantly from the more generic aircraft attributes covered by outside publications.
Impairment review for assets under operating leases and held for sale or re-lease We evaluate for impairment assets under operating lease or assets held for sale or re-lease when events or changes in circumstances indicate that the expected undiscounted cash flow from the asset may be less than the carrying value. We use various assumptions when determining the expected undiscounted cash flow, including our intentions for how long we will hold an asset subject to operating lease before it is sold, the expected future lease rates, lease terms, residual value of the asset, periods in which the asset may be held in preparation for a follow-on lease, maintenance costs, remarketing costs and the remaining economic


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life of the asset. We record assets held for sale at the lower of carrying value or fair value less costs to sell.
When we determine that impairment is indicated for an asset, the amount of impairment expense recorded is the excess of the carrying value over the fair value of the asset.
Allowance for losses on customer financing receivables We record the potential impairment of customer financing receivables in a valuation account, the balance of which is an accounting estimate of probableexpected but unconfirmed losses. The allowance for losses on receivables relates to two components of receivables: (a) receivables that are evaluated individually for impairment and (b) all other receivables.
We determine a receivable is impaired when, based on current information and events, it is probableexpected that we will be unable to collect amounts due according to the original contractual terms of the receivable agreement, without regard to any subsequent restructurings. Factors considered in assessing collectability include, but are not limited to, a customer’s extended delinquency, requests for restructuring and filings for bankruptcy. We determine a specific impairment allowance based on the difference between the carrying value of the receivable and the estimated fair value of the related collateral we would expect to realize.
We review the adequacy of the allowance attributable to the remaining receivables (after excluding receivables subject to a specific impairment allowance) by assessing both the collateral exposure and the applicable cumulative default rate. Collateral exposure for a particular receivable is the excess of the carrying value of the receivable over the fair value of the related collateral. A receivable with an estimated fair value in excess of the carrying value is considered to have no collateral exposure. The applicable cumulative default rate is determined using two components: customer credit ratings and weighted average remaining contract term. Internally assigned credit ratings, our credit quality indicator, are determined for each customer in the portfolio. Those ratings are updated based upon public information and information obtained directly from our customers.
We have entered into agreements with certain customers that would entitle us to look beyond the specific collateral underlying the receivable for purposes of determining the collateral exposure as described above. Should the proceeds from the sale of the underlying collateral asset resulting from a default condition be insufficient to cover the carrying value of our receivable (creating a shortfall condition), these agreements would, for example, permit us to take the actions necessary to sell or retain certain other assets in which the customer has an equity interest and use the proceeds to cover the shortfall.
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Each quarter we review customer credit ratings, published historical credit default rates for different rating categories, and multiple third-party aircraft value publications as a basis to validate the reasonableness of the allowance for losses on receivables. There can be no assurance that actual results will not differ from estimates or that the consideration of these factors in the future will not result in an increase or decrease to the allowance for losses on receivables.
Warranties
In conjunction with certain product sales, we provide warranties that cover factors such as non-conformance to specifications and defects in material and design. The majority of our warranties are issued by our Commercial Airplanes segment. Generally, aircraft sales are accompanied by a three3 to four-year4-year standard warranty for systems, accessories, equipment, parts, and software manufactured by us or manufactured to certain standards under our authorization. These warranties are included in the programs’ estimate at completion. On occasion we have made commitments beyond the standard warranty obligation to correct fleet-wide major issues of a particular model, resulting in additional accrued warranty expense. Warranties issued by our BDS segment principally relate to sales of military aircraft and weapons hardware and are included in the contract cost estimates.systems. These sales are generally accompanied by a six month to two-yeartwo-year warranty period and cover systems, accessories, equipment, parts, and software manufactured by us to certain contractual specifications. Estimated costs related to standard warranties are recorded in the


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period in which the related product sales occur.delivery occurs. The warranty liability recorded at each balance sheet date reflects the estimated number of months of warranty coverage outstanding for products delivered times the average of historical monthly warranty payments, as well as additional amounts for certain major warranty issues that exceed a normal claims level. Estimated costs of these additional warranty issues are considered changes to the initial liability estimate.
We provide guarantees to certain commercial airplane customers which include compensation provisions for failure to meet specified aircraft performance targets. We account for these performance guarantees as warranties. The estimated liability for these warranties is based on known and anticipated operational characteristics and forecasted customer operation of the aircraft relative to contractually specified performance targets, and anticipated settlements when contractual remedies are not specified. Estimated payments are recorded as a reduction of revenue at delivery of the related aircraft. We have agreements that require certain suppliers to compensate us for amounts paid to customers for failure of supplied equipment to meet specified performance targets. Claims against suppliers under these agreements are included in Inventories and recorded as a reduction in Cost of products at delivery of the related aircraft. These performance warranties and claims against suppliers are included in the programs’ estimate at completion.
Supplier Penalties
We record an accrual for supplier penalties when an event occurs that makes it probable that a supplier penalty will be incurred and the amount is reasonably estimable. Until an event occurs, we fully anticipate accepting all products procured under production-related contracts.
Guarantees
We record a liability in Accrued liabilities for the fair value of guarantees that are issued or modified after December 31, 2002. For a residual value guarantee where we received a cash premium, the liability is equal to the cash premium received at the guarantee’s inception.guarantees. For credit guarantees, the liability is equal to the present value of the expected loss. We determine the expected loss by multiplying the creditor’s default rate by the guarantee amount reduced by the expected recovery, if applicable, for each future period the credit guarantee will be outstanding. If atapplicable. At inception of a guarantee, and adjusted each quarter, we determine there is a probable related contingent loss, we willalso recognize a liability for the greater of (a) the fair value of the guarantee as described above or (b) the probableexpected contingent loss amount.
Standards Issued and Not Yet Implemented
In February 2016, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) No. 2016-02, Leases(Topic 842). The new standard is effective for reporting periods beginning after December 15, 2018 and early adoption is permitted. The standard will require lessees to report most leases as assets and liabilities on the balance sheet, while lessor accounting will remain substantially unchanged. The standard requires a modified retrospective transition approach for existing leases, whereby the new rules will be applied to the earliest year presented. We plan to adopt the new lease standard in 2019 and do not expect it to have a material effect on our financial position, results of operations or cash flows.
We are adopting ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) in the first quarter of 2018 using the retrospective transition method which will require 2016 and 2017 financial statements to be restated. The new standard requires revenue to be recognized when promised goods or services are transferred to customers in amounts that reflect the consideration to which the company expects to be entitled in exchange for those goods or services. The standard also requires expanded disclosures regarding revenue and contracts with customers.


loss.

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Most of our defense contracts at BDS and BGS that have historically recognized revenue as deliveries are made or based on the attainment of performance milestones will recognize revenue under the new standard over time as costs are incurred. Certain military derivative aircraft contracts included in our BCA segment will also recognize revenue as costs are incurred. The new standard will not change the total amount of revenue recognized on these contracts, only accelerate the timing of when the revenue is recognized. In addition, the timing of cost of sales recognition for these contracts will be accelerated, resulting in a decrease in Inventories from long-term contracts in progress.
The new standard will not affect revenue recognition or the use of program accounting for commercial airplane contracts. We will continue to recognize revenue for these contracts at the point in time when the customer accepts delivery of the airplane.
Because revenue will be recognized under the new standard as costs are incurred for most of our defense and military derivative airplane contracts, approximately $10,000 of revenues and $1,300 of associated operating earnings will be accelerated into years ending prior to January 1, 2016. The restatement will result in a cumulative adjustment to increase retained earnings by $900 effective January 1, 2016. Restated income statements for 2016 and 2017 are shown below.
We are also adopting ASU No. 2017-07,Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost in the first quarter of 2018. The standard requires non-service cost components of net periodic benefit cost to be presented in non-operating earnings using a retrospective transition method which will require us to restate 2016 and 2017 in the first quarter of 2018. In addition, only service costs may be allocated to production costs and capitalized in inventory on a prospective basis effective January 1, 2018. Adoption in the first quarter of 2018 is expected to result in a reclassification of non-service cost components of net periodic benefit cost of $6 in 2017 and $478 in 2016 from Earnings from Operations to Other income/(loss), net. We applied a practical expedient as the estimation basis for this reclassification. Adoption of the new pension standard will not affect previously reported financial position, earnings per share, or cash flows.


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The impact to our 2017 and 2016 operating results as a result of adopting ASC Topic 606 and ASU No. 2017-07 is presented in the tables below:
 Reported Restated Reported Restated
Years ended December 31,2017 2017 2016 2016
Revenues:       
Commercial Airplanes
$56,729
 
$58,014
 
$58,012
 
$59,378
Defense, Space & Security21,057
 20,561
 22,563
 20,180
Global Services14,639
 14,581
 13,925
 13,819
Boeing Capital307
 307
 298
 298
Unallocated items, eliminations and other660
 542
 (227) (179)
Total revenues
$93,392
 
$94,005
 
$94,571
 
$93,496
Earnings from operations:       
Commercial Airplanes
$5,432
 
$5,452
 
$1,995
 
$1,981
Defense, Space & Security2,223
 2,193
 1,966
 1,678
Global Services2,256
 2,246
 2,177
 2,159
Boeing Capital114
 114
 59
 59
Segment operating profit10,025
 10,005
 6,197
 5,877
Unallocated items, eliminations and other253
 (1,099) (363) (707)
FAS/CAS service cost adjustment (1)
  1,438
   1,357
Earnings from operations10,278
 10,344
 5,834
 6,527
Other income/(loss), net (1)
129
 123
 40
 (438)
Interest and debt expense(360) (360) (306) (306)
Earnings before income taxes10,047
 10,107
 5,568
 5,783
Income tax expense(1,850) (1,649) (673) (749)
Net earnings
$8,197
 
$8,458
 
$4,895
 
$5,034
        
Diluted earnings per share
$13.43
 
$13.85
 
$7.61
 
$7.83
(1)
The FAS/CAS service cost adjustment represents the difference between the pension and postretirement service costs calculated under Generally Accepted Accounting Principles (GAAP) and costs allocated to the business segments which are based on U.S. Government Cost Accounting Standards for our defense businesses. Restated Other income/(loss), net includes the non-service cost components of net periodic benefit cost.
In addition to the income statement changes described above, adoption of ASC Topic 606 is expected to increase total assets and total liabilities at December 31, 2017 and 2016 by approximately $20,000 and $19,000 primarily due to classifying certain advances from customers as liabilities under the new standard, whereas these advances were netted against inventory under existing GAAP. Adoption of ASU No. 2017-07 has no impact on total assets and total liabilities. The new standards have no impact on cash flows reported in 2017 and 2016. The impact of the new revenue standard on our 2017 and 2016 financial results may not be representative of the impact on our financial position and operating results in subsequent years. ASC Topic 606 requires additional detailed disclosures regarding the Company’s contracts with customers, including disclosure of remaining unsatisfied performance obligations, in the first quarter of 2018 which we are continuing to assess. We have identified and implemented changes to the Company’s business processes, systems and controls to support adoption of the new standard.


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Note 2 – Goodwill and Acquired Intangibles
Effective at the beginning of 2020, certain programs were realigned between our BDS segment and Unallocated items, eliminations and other. Changes in the carrying amount of goodwill by reportable segment for the years ended December 31, 20172020 and 20162019 were as follows:
Commercial
Airplanes
Defense, Space & SecurityGlobal ServicesOtherTotal
Balance at January 1, 2019$1,241 $3,229 $3,345 $25 $7,840 
KLX acquisition adjustments(51)(51)
Acquisitions72 0188 62 322 
Dispositions(49)(49)
Goodwill adjustments(10)(2)
Balance at December 31, 2019$1,313 $3,219 $3,441 $87 $8,060 
Goodwill adjustments3 5 13 21 
Balance at December 31, 2020$1,316 $3,224 $3,454 $87 $8,081 
 
Commercial
Airplanes

 Defense, Space & Security
 Global Services
 Total
Balance at January 1, 2016
$992
 
$2,648
 
$1,486
 
$5,126
Acquisitions(1)


 206
 
 206
Goodwill adjustments

 
 (8) (8)
Balance at December 31, 2016
$992
 
$2,854
 
$1,478
 
$5,324
Acquisitions(1)


 220
 

 220
Goodwill adjustments

 

 15
 15
Balance at December 31, 2017(1)

$992
 
$3,074
 
$1,493


$5,559
(1)
The increase in goodwill is primarily the result of acquisitions in the fourth quarter of 2016 and 2017.
As of December 31, 20172020 and 2016,2019, we had indefinite-lived intangible assets with carrying amounts of $490$197 relating to trade names. During 2019, we recorded an impairment of $293 within Cost of Sales, as a result of our decision to retire the Aviall brand and trade name. As of December 31, 2020 and 2019, we had an indefinite-lived intangible asset with a carrying amount of $202 related to in process research and development for a next-generation air vehicle.
The gross carrying amounts and accumulated amortization of our acquired finite-lived intangible assets were as follows at December 31:
20202019
Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount
Accumulated
Amortization
Distribution rights$2,812 $1,427 $2,989 $1,262 
Product know-how553 384 553 354 
Customer base1,373 672 1,364 599 
Developed technology626 502 653 485 
Other303 238 280 200 
Total$5,667 $3,223 $5,839 $2,900 
 2017 2016
 
Gross
Carrying
Amount

 
Accumulated
Amortization

 
Gross
Carrying
Amount

 
Accumulated
Amortization

Distribution rights
$2,445
 
$943
 
$2,281
 
$797
Product know-how522
 298
 503
 271
Customer base650
 479
 595
 436
Developed technology556
 406
 523
 376
Other213
 177
 194
 166
Total
$4,386
 
$2,303
 
$4,096
 
$2,046
During 2020, we recorded impairments of $178 within Cost of Sales related to our distribution rights, primarily driven by airlines' decisions to retire certain aircraft. Amortization expense for acquired finite-lived intangible assets for the years ended December 31, 20172020 and 20162019 was $240$317 and $220.$331. Estimated amortization expense for the five succeeding years is as follows:
20212022202320242025
Estimated amortization expense$284 $245 $234 $220 $196 
 2018
 2019
 2020
 2021
 2022
Estimated amortization expense
$236
 
$213
 
$183
 
$174
 
$165
During 2017 and 20162019, we acquired $298 and $113$563 of finite-lived intangible assets, of which $55 and $31$30 related to non-cash investing and financing transactions.


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Note 3 – Earnings Per Share
Basic and diluted earnings per share are computed using the two-class method, which is an earnings allocation method that determines earnings per share for common shares and participating securities. The undistributed earnings are allocated between common shares and participating securities as if all earnings had been distributed during the period. Participating securities and common shares have equal rights to undistributed earnings.
Basic earnings per share is calculated by taking net earnings, less earnings available to participating securities, divided by the basic weighted average common shares outstanding.
Diluted earnings per share is calculated by taking net earnings, less earnings available to participating securities, divided by the diluted weighted average common shares outstanding.
The elements used in the computation of basic and diluted earnings per share were as follows:
(In millions - except per share amounts)
Years ended December 31,202020192018
Net (loss)/earnings attributable to Boeing Shareholders($11,873)($636)$10,460 
Less: earnings available to participating securities00
Net (loss)/earnings available to common shareholders($11,873)($636)$10,453 
Basic
Basic weighted average shares outstanding569.0 566.0 579.9 
Less: participating securities0.4 0.6 0.7 
Basic weighted average common shares outstanding568.6 565.4 579.2 
Diluted
Basic weighted average shares outstanding569.0 566.0 579.9 
Dilutive potential common shares(1)
006.3 
Diluted weighted average shares outstanding569.0 566.0 586.2 
Less: participating securities0.4 0.6 0.7 
Diluted weighted average common shares outstanding568.6 565.4 585.5 
Net (loss)/earnings per share:
Basic($20.88)($1.12)$18.05 
Diluted(20.88)(1.12)17.85 
(In millions - except per share amounts) 
     
Years ended December 31,2017
 2016
 2015
Net earnings
$8,197
 
$4,895
 
$5,176
Less: earnings available to participating securities6
 3
 4
Net earnings available to common shareholders
$8,191
 
$4,892
 
$5,172
Basic     
Basic weighted average shares outstanding603.2
 636.5
 688.0
Less: participating securities0.7
 1
 1.1
Basic weighted average common shares outstanding602.5
 635.5
 686.9
Diluted     
Basic weighted average shares outstanding603.2
 636.5
 688.0
Dilutive potential common shares(1)
7.5
 7.3
 8.1
Diluted weighted average shares outstanding610.7
 643.8
 696.1
Less: participating securities0.7
 1.0
 1.1
Diluted weighted average common shares outstanding610.0
 642.8
 695.0
Net earnings per share:     
Basic
$13.60
 
$7.70
 
$7.52
Diluted13.43
 7.61
 7.44
(1)Diluted (loss)/earnings per share includes any dilutive impact of stock options, restricted stock units, performance-based restricted stock units and performance awards.
(1)
Diluted earnings per share includes any dilutive impact of stock options, restricted stock units, performance-based restricted stock units and performance awards.
TheAs a result of incurring a net loss for the years ended December 31, 2020 and 2019, potential common shares of 1.6 million and 4.1 million were excluded from diluted loss per share because the effect would have been antidilutive. In addition, the following table includes the number of shares that may be dilutive potential common shares in the future. These shares were not included in the computation of
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diluted (loss)/earnings per share because the effect was either antidilutive or the performance condition was not met.
(Shares in millions)
Years ended December 31,202020192018
Performance awards5.7 2.8 2.5 
Performance-based restricted stock units1.3 0.6 0.3 
Restricted stock units1.0 
(Shares in millions)     
Years ended December 31,2017
 2016
 2015
Performance awards4.1
 6.5
 5.6
Performance-based restricted stock units0.5
 2.5
 2.3


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Note 4 – Income Taxes
The components of (Loss)/earnings before income taxes were:
Years ended December 31,2017
 2016
 2015
Years ended December 31,202020192018
U.S.
$9,615
 
$5,175
 
$6,828
U.S.($14,882)($2,792)$11,166 
Non-U.S.432
 393
 327
Non-U.S.406 533 438 
Total
$10,047
 
$5,568
 
$7,155
Total($14,476)($2,259)$11,604 
Income tax expense/(benefit)/expense consisted of the following:
Years ended December 31,2017
 2016
 2015
Years ended December 31,202020192018
Current tax expense     
Current tax (benefit)/expenseCurrent tax (benefit)/expense
U.S. federal
$1,276
 
$1,193
 
$2,102
U.S. federal($3,968)($308)$1,873 
Non-U.S.149
 133
 122
Non-U.S.148 169 169 
U.S. state23
 15
 21
U.S. state21 (161)97 
Total current1,448
 1,341
 2,245
Total current(3,799)(300)2,139 
Deferred tax expense     
Deferred tax (benefit)/expenseDeferred tax (benefit)/expense
U.S. federal405
 (618) (297)U.S. federal652 (953)(996)
Non-U.S.(1) (4) 4
Non-U.S.0(3)(4)
U.S. state(2) (46) 27
U.S. state612 (367)
Total deferred402
 (668) (266)Total deferred1,264 (1,323)(995)
Total income tax expense
$1,850
 
$673
 
$1,979
Total income tax (benefit)/expenseTotal income tax (benefit)/expense($2,535)($1,623)$1,144 
Net income tax payments were $896, $1,460$37, $837 and $1,490$1,326 in 2017, 20162020, 2019 and 2015,2018, respectively.


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The following is a reconciliation of the U.S. federal statutory tax to actual income tax expense:
Years ended December 31,202020192018
AmountRateAmountRateAmountRate
U.S. federal statutory tax($3,039)21.0 %($474)21.0 %$2,437 21.0 %
Valuation allowance2,603 (18.0)25 (1.1)22 0.2 
Impact of CARES Act (1)
(1,175)8.1 
Audit settlements(2)
(587)4.1 (371)16.4 (412)(3.6)
Research and development credits(284)2.0 (382)16.9 (207)(1.8)
Other provision adjustments234 (1.7)66 (3.0)91 1.0 
State income tax provision, net of effects on U.S. federal tax(168)1.2 (45)2.0 75 0.6 
Excess tax benefits(3)
(82)0.6 (180)8.0 (181)(1.6)
Foreign derived intangible income(4)
(31)0.2 (229)10.1 (549)(4.7)
Tax deductible dividends(13)0.1 (53)2.4 (48)(0.4)
Tax on non-US activities7 (0.1)20 (0.9)27 0.2 
Impact of Tax Cuts and Jobs Act(5)
(111)(1.0)
Income tax (benefit)/expense($2,535)17.5 %($1,623)71.8 %$1,144 9.9 %

(1)    On March 27, 2020, the Coronavirus Aid, Relief, and Economic Security (CARES) Act was enacted, which includes a five year net operating loss (NOL) carryback provision which enabled us to benefit from certain losses and re-measure certain deferred tax assets and liabilities at the former federal tax rate of 35%. In 2020, we recorded tax benefits of $1,175 related to our effectivethe NOL carryback provision.
(2)    In the fourth quarter of 2020, we recorded a tax benefit of $587 related to the settlement of the 2015-2017 federal tax audit. In the fourth quarter of 2019, we recorded a tax benefit of $371 related to the settlement of state tax audits spanning 15 tax years. In the third quarter of 2018, we recorded a tax benefit of $412 related to the settlement of the 2013-2014 federal tax audit.
(3)    In 2020, 2019 and 2018, we recorded excess tax benefits related to employee share-based payments of $82, $180 and $181, respectively.
(4)    In 2020, 2019 and 2018, we recorded tax benefits related to foreign derived intangible income of $31, $229 and $549, respectively which effectively apply a lower U.S. tax rates:rate to intangible income derived from serving non-U.S. markets.
(5)    During the fourth quarter of 2018 and in accordance with U.S. Securities and Exchange Commission Staff Accounting Bulletin No. 118, the Company completed its accounting for the provisional amounts recognized at December 31, 2017 and recorded an incremental benefit related to refinements to these provisional amounts which was not significant.

85
Years ended December 31,2017
 2016
 2015
U.S. federal statutory tax35.0 % 35.0 % 35.0 %
Impact of Tax Cuts and Jobs Act(1)
(10.5)    
Tax basis adjustment(2)


 (7.9) 

Federal audit settlements(3)

 (3.2) 
Excess tax benefits(4)
(2.1) (1.9) 

Research and development credits(1.6) (5.2) (3.4)
U.S. manufacturing activity tax benefit(1.3) (3.8) (2.9)
Tax on non-US activities(0.9) (0.5) (0.6)
Other provision adjustments(0.2) (0.4) (0.4)
Effective income tax rate18.4 % 12.1 % 27.7 %
(1)
On December 22, 2017, the Tax Cuts and Jobs Act (TCJA) was enacted. The TCJA revises the U.S. corporate income tax by, among other things, lowering the rate from 35% to 21% effective January 1, 2018, implementing a territorial tax system and imposing a one-time tax on deemed repatriated earnings of non-U.S. subsidiaries. In the fourth quarter of 2017, we recorded provisional tax benefits of $1,210 related to the remeasurement of our net U.S. deferred tax liabilities to reflect the reduction in the corporate tax rate. We also recorded a provisional tax expense of $159 related to tax on non-U.S. activities resulting from the TCJA.
(2)
In the third quarter of 2016, we recorded incremental tax benefits of $440 related to the application of a 2012 Federal Court of Claims decision which held that the tax basis in certain assets could be increased (tax basis adjustment).
(3)
In the third quarter of 2016, a tax benefit of $177 was recorded as a result of the settlement of the 2011-2012 federal tax audit.
(4)
In 2017 and 2016, we recorded excess tax benefits related to employee share-based payments of $207 and $105.


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Significant components of our deferred tax assets/(liabilities)/assets at December 31 were as follows:
20202019
Inventory and long-term contract methods of income recognition($4,313)($6,048)
Pension benefits3,029 3,495 
Fixed assets, intangibles and goodwill(1,645)(1,544)
737 MAX customer concessions and other considerations1,253 1,626 
Net operating loss, credit and capital loss carryovers(1)
1,182 696 
Other postretirement benefit obligations1,023 1,120 
Other employee benefits957 849 
Accrued expenses and reserves808 628 
Customer and commercial financing(180)(268)
Other56 (166)
Gross deferred tax assets/(liabilities) before valuation allowance$2,170 $388 
Valuation allowance(3,094)(118)
Net deferred tax assets/(liabilities) after valuation allowance($924)$270 
 2017
 2016
Inventory and long-term contract methods of income recognition(6,290) (9,954)
Pension benefits3,690
 7,385
Retiree health care benefits1,319
 2,268
Fixed assets, intangibles and goodwill (net of valuation allowance of $16 and $16)(1,259) (2,007)
Other employee benefits847
 1,225
Customer and commercial financing(369) (730)
Accrued expenses and reserves347
 587
Net operating loss, credit and capital loss carryovers (net of valuation allowance of $53 and $79)(1)
299
 277
Other(82) (57)
Net deferred tax (liabilities)/assets(2)

($1,498) 
($1,006)
(1)     Of the deferred tax asset for net operating loss and credit carryovers, $793 expires on or before December 31, 2040 and $389 may be carried over indefinitely.
(1)

Of the deferred tax asset for net operating loss and credit carryovers, $278 expires on or before December 31, 2036 and $21 may be carried over indefinitely.
(2)
Included in the net deferred tax (liabilities)/assets as of December 31, 2017 and 2016 are deferred tax assets in the amounts of $4,636 and $7,701 related to Accumulated other comprehensive loss.
Net deferred tax assets/(liabilities)/assets at December 31 were as follows:
20202019
Deferred tax assets$11,600 $10,722 
Deferred tax liabilities(9,430)(10,334)
Valuation allowance(3,094)(118)
Net deferred tax assets/(liabilities)($924)$270 
The Company’s deferred income tax assets of $11,600 can be used in future years to offset taxable income and reduce income taxes payable. The Company’s deferred income tax liabilities of $9,430 will partially offset deferred income tax assets and result in higher taxable income in future years and increase income taxes payable. Tax law determines whether future reversals of temporary differences will result in taxable and deductible amounts that offset each other in future years. The particular years in which temporary differences result in taxable or deductible amounts generally are determined by the timing of the recovery of the related asset or settlement of the related liability. The deferred income tax assets and liabilities relate primarily to U.S. federal and state tax jurisdictions. From a U.S. federal tax perspective the Company does not have any significant net operating loss carryforwards nor does it have any significant federal tax credits that are at risk of expiring. The Company generated taxable income in 2018 and 2019 and expects to have a tax net operating loss in 2020 that will be carried back to prior years when the tax rate was 35% due to the CARES Act benefit as described above.
During 2019 and 2020 the Company generated significant pre-tax losses and in the fourth quarter of 2020 the Company reached a three-year cumulative pre-tax loss position. We also normalized earnings and other comprehensive income for certain non-recurring items including certain 737 MAX expenses, an agreement with the Department of Justice, severance costs and remeasurement gains and losses from the annual remeasurement of pension and other postretirement benefit obligations. On a normalized basis the Company expects to reach a three-year cumulative loss position in 2021 as record earnings in 2018 are replaced by 2021 results. For purposes of assessing the recoverability of deferred
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2017
 2016
Deferred tax assets
$8,459
 
$13,591
Deferred tax liabilities(9,888) (14,502)
Valuation allowance(69) (95)
Net deferred tax (liabilities)/assets
($1,498) 
($1,006)
tax assets, the Company determined that it could not include future projected earnings in the analysis due to recent history of losses.
TheAs of December 31, 2020 the Company has recorded valuation allowances of $3,094 primarily for certain federal deferred tax assets, are reduced by astate net operating loss carryforwards, and state tax credits. To measure the valuation allowance, if, based upon available evidence, it is more likely than not that some or allthe Company estimated in what year each of theits deferred tax assets willand liabilities would reverse using systematic and logical methods to determine the reversal patterns. Based on these methods, deferred tax liabilities are assumed to reverse and generate taxable income over the next 5 to 10 years while deferred tax assets related to pension and other postretirement benefit obligations are assumed to reverse and generate tax deductions over the next 15 to 20 years. The valuation allowance primarily results from not having sufficient income from deferred tax liability reversals in the appropriate future periods to support the realization of deferred tax assets. Because the pension and other postretirement benefit obligations are recorded to both continuing operations and other comprehensive income (OCI), the Company recorded a portion of the fourth quarter increase in the valuation allowance to income tax expense in continuing operations ($2,513) and a portion to OCI ($196). If the Company continues to generate losses and negative normalized earnings in future periods, additional valuation allowances may have to be realized.recorded with corresponding adverse impacts on earnings and/or OCI. When income generation returns to more normal levels we can expect to see the allowance reverse and increase reported earnings and/or OCI.
The TCJA one-time repatriation tax liabilityand Global Intangible Low Tax Income liabilities effectively taxed the undistributed earnings previously deferred from U.S. income taxes. We have not provided for foreign withholding tax on the undistributed earnings from our non-U.S. subsidiaries because such earnings are considered to be indefinitely reinvested. If such earnings were to be distributed, any foreign withholding tax would not be significant.
In accordance with U.S. Securities and Exchange Commission Staff Accounting Bulletin No. 118 the amounts recorded in the fourth quarter of 2017 related to the TCJA represent reasonable estimates based on our analysis to date and are considered to be provisional and subject to revision during 2018. Provisional amounts were recorded for the repatriation tax, the remeasurement of our 2017 U.S. net deferred tax liabilities and ancillary state tax effects. These amounts are considered to be provisional as we continue to assess available tax methods and elections and refine our computations. In addition, further regulatory guidance related to the TCJA is expected to be issued in 2018 which may result in changes to our current estimates. Any revisions to the estimated impacts of TCJA will be recorded quarterly until the computations are complete which is expected no later than the fourth quarter of 2018.
As of December 31, 20172020 and 2016,2019, the amounts accrued for the payment of income tax-related interest and penalties included in the Consolidated Statements of Financial Position were not significant. The amounts of interest benefit included in the Consolidated Statements of Operations were not significant for the years ended December 31, 2017, 20162020, 2019 and 2015.2018.


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A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
202020192018
Unrecognized tax benefits – January 1$1,476 $2,412 $1,736 
Gross increases – tax positions in prior periods44 100 87 
Gross decreases – tax positions in prior periods(581)(1,418)(410)
Gross increases – current period tax positions136 344 1,208 
Gross decreases – current period tax positions(1)
Settlements(109)39 (206)
Statute Lapse(3)
Unrecognized tax benefits – December 31$966 $1,476 $2,412 
 2017
 2016
 2015
Unrecognized tax benefits – January 1
$1,557
 
$1,617
 
$1,312
Gross increases – tax positions in prior periods3
 17
 38
Gross decreases – tax positions in prior periods(44) (348) (25)
Gross increases – current-period tax positions220
 344
 292
Settlements

 (73) 

Unrecognized tax benefits – December 31
$1,736
 
$1,557
 
$1,617
As of December 31,, 2017, 2016 2020, 2019 and 2015,2018, the total amount of unrecognized tax benefits was $1,736, $1,557$966, $1,476 and $1,617,$2,412, respectively, of which $1,568, $1,402$734, $1,287 and $1,479$1,405 would affect the effective tax rate, if recognized. As of December 31, 2017,2020, these amounts are primarily associated with U.S. federal tax issues such as the amount of research tax credits claimed and uncertainties in the U.S. manufacturing activity tax benefit and tax basis adjustments. Also included in these amounts are accruals for domestic state tax issues such as the allocation of income among various state tax jurisdictions and the amount of state tax credits claimed.TCJA.
Federal income tax audits have been settled for all years prior to 2013.2018. The Internal Revenue Service (IRS) beganis expected to begin the 2013-20142018-2019 federal tax audit in the fourthfirst quarter of 2016.2021. We are also subject to examination in major state and non-U.S.international jurisdictions for the 2001-20162007-2019 tax years. We
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believe appropriate provisions for all outstanding tax issues have been made for all jurisdictions and all open years.
Audit outcomes and the timing of audit settlements are subject to significant uncertainty. It is reasonably possible that within the next 12 months unrecognized tax benefits related to federal and state matters under audit may decrease by up to $540 and $430, respectively, based on current estimates.
Note 5 – Accounts Receivable, net
Accounts receivable at December 31 consisted of the following:
20202019
2017
 2016
U.S. government contracts
$5,989
 
$4,639
U.S. government contracts(1)
U.S. government contracts(1)
$811 $1,121 
Commercial Airplanes1,542
 1,375
Commercial Airplanes17 29 
Global Services(1)
1,472
 1,257
Defense, Space & Security(1)
760
 533
Reinsurance receivables467
 526
Global Services(2)
Global Services(2)
1,437 1,967 
Defense, Space, & Security(2)
Defense, Space, & Security(2)
120 220 
Other348
 567
Other14 
Less valuation allowance(62) (65)Less valuation allowance(444)(73)
Total
$10,516
 
$8,832
Total$1,955 $3,266 
(1)
Excludes U.S. government contracts
The following table summarizes our accounts receivable under long-term(1)Includes foreign military sales through the U.S. government
(2)Excludes U.S. government contracts that were unbillable or related
Our valuation allowance was increased from $73 to outstanding claims as$138 on January 1, 2020 upon adoption of December 31:
 Unbillable Claims
 2017
 2016
 2017
 2016
Current
$2,876
 
$1,919
 
$4
 
$38
Expected to be collected after one year1,564
 2,011
 
$55
 91
Total
$4,440
 
$3,930
 
$59
 
$129


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Under contract accounting unbillable receivables on long-term contracts arise when the sales or revenues based on performance attainment, though appropriately recognized, cannot be billed yet under terms of the contract as of the balance sheet date. Any adjustment for the credit quality of unbillable receivables, if required, would be recorded as a direct reduction of revenue. Factors considered in assessing the collectability of unbillable receivables include, but are not limited to, a customer’s extended delinquency, requests for restructuring and filings for bankruptcy. Unbillable receivables related to commercial customers expected to be collected after one year were$172 and $172 at December 31, 2017 and 2016.ASU 2016-13. See note 6. Accounts receivable related to claims are items that we believe are earned, but are subject to uncertainty concerning their determination or ultimate realization.
Accounts receivable, other than those described above, expected to be collected after one year are not material.
Note 6 – Allowances for Losses on Financial Assets
Upon adoption of ASU 2016-13, we recorded a $162 cumulative-effect adjustment to retained earnings to increase our allowances for credit losses, resulting in a balance of $337 as of January 1, 2020. The change in allowances for expected credit losses for the year ended December 31, 2020 consisted of the following:
Accounts receivable, netUnbilled receivables, netOther Current Assets, netCustomer financing, netOther Assets, netTotal
Balance at January 1, 2020($138)($81)($38)($5)($75)($337)
Changes in estimates(314)(48)(34)(12)(66)(474)
Write-offs8 8 
Recoveries1 1 
Balance at December 31, 2020($444)($129)($72)($17)($140)($802)
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Note 7 – Inventories
Inventories at December 31 consisted of the following:
2017
 2016
20202019
Long-term contracts in progress
$13,889
 
$12,801
Long-term contracts in progress$823 $1,187 
Commercial aircraft programs52,861
 52,048
Commercial aircraft programs70,153 66,016 
Commercial spare parts, used aircraft, general stock materials and other5,688
 5,446
Commercial spare parts, used aircraft, general stock materials and other10,739 9,419 
Inventory before advances and progress billings72,438
 70,295
Less advances and progress billings(28,094) (27,096)
Total
$44,344
 
$43,199
Total$81,715 $76,622 
Long-Term Contracts in Progress
Long-term contracts in progress includes Delta launch program inventory that is being sold at cost to United Launch Alliance (ULA) under an inventory supply agreement that terminates on March 31, 2021. The inventory balance was $120 (net of advances of $164$17 and $220)$176 at December 31, 20172020 and 2016.2019. See indemnifications to ULA in Note 12.14.
Included in inventories at December 31, 2017Commercial spare parts, used aircraft, general stock materials and 2016 areother includes capitalized precontract costs of $933$733 at December 31, 2020 and $729$711 at December 31, 2019 primarily related to KC-46A Tanker C-17 and F/A-18.Commercial Crew. See Note 11.13.
Commercial Aircraft Programs
The increase in commercial aircraft programs inventory during 2020 reflects the large number of undelivered aircraft due to the 737 MAX grounding, lower wide-body deliveries driven by the impacts of the COVID-19 pandemic and 787 production issues and associated rework, partially offset by a reach-forward loss of $6,493 on the 777X program. At December 31, 2020, commercial aircraft programs inventory includes approximately 425 undelivered 737 MAX aircraft and 80 undelivered 787 aircraft.
We are currently remarketing certain aircraft and may have to remarket additional aircraft in future periods. If we are unable to successfully remarket the aircraft, determine further production rates reductions are necessary, and/or contract the program accounting quantities, future earnings may be reduced and/or additional reach-forward losses may have to be recorded.
At December 31, 20172020 and 2016,2019, commercial aircraft programs inventory included the following amounts related to the 737 program: deferred production costs of $2,159 and $1,313 and unamortized tooling and other non-recurring costs of $480 and $521. At December 31, 2020, $2,560 of 737 deferred production costs, unamortized tooling and other non-recurring costs are expected to be recovered from units included in the program accounting quantity that have firm orders and $79 is expected to be recovered from units included in the program accounting quantity that represent expected future orders.
At December 31, 2020 and 2019, commercial aircraft programs inventory included the following amounts related to the 777X program:unamortized tooling and other non-recurring costs of $3,295 and $2,914. During the fourth quarter of 2020 we determined that estimated costs to complete the 777X program plus costs already included in 777X inventory exceed estimated revenues from the program. The resulting reach-forward loss of $6,493 was recorded as a reduction to deferred production costs. As a result, 777X deferred production costs were immaterial at December 31, 2020. The level of profitability on the 777X program will be subject to a number of factors. These factors include continued market uncertainty, the impacts of COVID-19 on our production system as well as impacts on our supply chain and customers, further production rate adjustments for the 777X or other commercial aircraft programs, contraction of the accounting quantity and potential risks associated with the testing program and the timing of aircraft certification. One or more of these factors could result in additional reach-forward losses on the 777X program in future periods.
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At December 31, 2020 and 2019, commercial aircraft programs inventory included the following amounts related to the 787 program: $30,695 and $32,501 of work in process (including deferred production costs of $25,358$14,976 and $27,308), $3,189$18,716, $1,865 and $2,398$2,202 of supplier advances, and $3,173$1,863 and $3,625$2,092 of unamortized tooling and other non-recurring costs. At December 31, 2017, $22,2202020, $12,165 of 787 deferred production costs, unamortized tooling and other non-recurring costs are expected to be recovered from units included in the program accounting quantity that have firm orders and $6,311$4,674 is expected to be recovered from units included in the program accounting quantity that represent expected future orders.
At December 31, 2017 and 2016, commercial aircraft programs inventory included $151 and $284 of unamortized tooling costs related to the 747 program. At December 31, 2017, $146 of 747 unamortized tooling costs are expected to be recovered from units included in the program accounting quantity that have firm orders or commitments. The program accounting quantity includes one already completed aircraft which is being remarketed.


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Commercial aircraft programs inventory included amounts credited in cash or other consideration (early issue sales consideration) to airline customers totaling $2,976$2,992 and $3,117$2,863 at December 31, 20172020 and 2016.2019.
Note 78 – Contracts with Customers
Unbilled receivables decreased from $9,043 at December 31, 2019 to $7,995 at December 31, 2020, primarily driven by an increase in billings at BDS and BGS, as well as an increase in allowances for expected credit losses at BGS.
Advances and progress billings decreased from $51,551 at December 31, 2019 to $50,488 at December 31, 2020, primarily driven by revenue recognized in excess of advances on orders received and return of BCA customer advances, partially offset by advances on orders received at BCA, BDS, and BGS.
Revenues recognized for the years ended December 31, 2020 and 2019 from amounts recorded as Advances and progress billings at the beginning of each year were $10,360 and $16,778.
Certain commercial airplane customers are experiencing liquidity issues and seeking additional capital. Should these customers fail to address their liquidity issues, accounts receivable, unbilled receivables and certain inventory could become impaired. In addition we would have to remove contracts related to these customers from backlog and remarket any undelivered aircraft.
The following table summarizes our contract assets under long-term contracts that were unbillable or related to outstanding claims as of December 31:
UnbilledClaims
2020201920202019
Current$5,628 $6,931 $9 
Expected to be collected after one year2,496 2,112 18 14 
Less valuation allowance(1)
(129)
Total$7,995 $9,043 $18 $23 
(1)In the first quarter of 2020, we adopted ASU 2016-13, refer to Note 6.
Unbilled receivables related to commercial customer incentives expected to be collected after one year were $178 and $211 at December 31, 2020 and 2019. Unbilled receivables related to claims are items that we believe are earned, but are subject to uncertainty concerning their determination or ultimate realization.
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Note 9 – Customer Financing
Customer financing primarily relates to theour BCC segment andsegment. Customer financing consisted of the following at December 31:
20202019
Financing receivables:
Investment in sales-type/finance leases$919 $1,029 
Notes420 443 
Total financing receivables1,339 1,472 
Operating lease equipment, at cost, less accumulated depreciation of $209 and $235715 834 
Gross customer financing2,054 2,306 
Less allowance for losses on receivables(17)(8)
Total$2,037 $2,298 
 2017
 2016
Financing receivables:   
Investment in sales-type/finance leases
$1,364
 
$1,482
Notes677
 807
Total financing receivables2,041
 2,289
Operating lease equipment, at cost, less accumulated depreciation of $320 and $3591,020
 1,922
Gross customer financing3,061
 4,211
Less allowance for losses on receivables(12) (10)
Total
$3,049
 
$4,201
We acquire aircraft to be leased to customers through trades, lease returns, purchases in the secondary market, and new aircraft transferred from our BCA segment. Leasing arrangements typically range in terms from 1 to 12 years and may include options to extend or terminate the lease. Certain leases include provisions to allow the lessee to purchase the underlying aircraft at a specified price. A minority of leases contain variable lease payments based on actual aircraft usage and are paid in arrears.
The components of investment in sales-type/finance leases at December 31 were as follows:
2017
 2016
20202019
Minimum lease payments receivable
$1,159
 
$1,321
Minimum lease payments receivable$756 $799 
Estimated residual value of leased assets495
 505
Estimated residual value of leased assets299 393 
Unearned income(290) (344)Unearned income(136)(163)
Total
$1,364
 
$1,482
Total$919 $1,029 
Operating lease equipment primarily includes large commercial jet aircraft.
Financing receivable balances evaluated for impairment at December 31 were as follows:
2017
 2016
20202019
Individually evaluated for impairment
$77
 
$55
Individually evaluated for impairment$391 $400 
Collectively evaluated for impairment1,964
 2,234
Collectively evaluated for impairment948 1,072 
Total financing receivables
$2,041
 
$2,289
Total financing receivables$1,339 $1,472 
We determine a receivable is impaired when, based on current information and events, it is probable that we will be unable to collect amounts due according to the original contractual terms. At December 31, 20172020 and 2016,2019, we individually evaluated for impairment customer financing receivables of $77$391 and $55,$400, of which $66$380 and $44$388 were determined to be impaired. We recorded no allowance for losses on these impaired receivables as the collateral values exceeded the carrying values of the receivables.
Income recognitionWe determine a receivable is generally suspended forpast due when cash has not been received upon the due date specified in the contract. There were no past due customer financing receivables as of December 31, 2020.
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We evaluate the collectability of customer financing receivables at the date full recovery of incomecommencement and principal becomes not probable. Incomeon a recurring basis. If a customer financing receivable is recognized when financing receivables become contractually current and performance is demonstrated bydeemed uncollectible, the customer. The average recorded investment is categorized as non-accrual status. When a customer is in impaired financing receivablesnon-accrual status at commencement, sales-type lease revenue is deferred until substantially all cash has been received or the customer is removed from non-accrual status. If a customer status changes to non-accrual after commencement or is a direct finance lease and sufficient collateral is available, we recognize contractual interest income as payments are received to the extent payments exceed past due principal payments. If there is not sufficient collateral, then revenue is not recognized until payments exceed the principal balance. Receivables in non-accrual status as of December 31, 2020 and December 31, 2019 were $380 and $388. Interest income received for the yeartwelve and three months ended December 31, 20172020 was $46$34 and the related interest income was insignificant.


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The change in the allowance for losses on financing receivables for the years ended December 31, 2017, 2016 and 2015, consisted of the following:
 2017
 2016
 2015
Beginning balance - January 1
($10) 
($16) 
($21)
Customer financing valuation (cost)/benefit(2) 6
 5
Ending balance - December 31
($12) 
($10) 
($16)
Collectively evaluated for impairment
($12) 
($10) 
($16)
$8.
The adequacy of the allowance for losses is assessed quarterly. ThreeFour primary factors influencing the level of our allowance for losses on customer financing receivables are customer credit ratings, default rates, expected loss rate and collateral values.values, which may be adversely affected by impacts that COVID-19 has on our customers. We assign internal credit ratings for all customers and determine the creditworthiness of each customer based upon publicly available information and information obtained directly from our customers. Our rating categories are comparable to those used by the major credit rating agencies.
Our allowance for losses on receivables decreased from $8 to $5 on January 1, 2020 upon adoption of ASU 2016-13. See Note 6 – Allowances for Losses on Financial Assets.
Our financing receivable balances at December 31 by internal credit rating category are shown below:and year of origination consisted of the following:
Rating categories2017
 2016
Rating categoriesCurrent2019201820172016PriorTotal
BBB
$1,170
 
$1,324
BBB$307 $307 
BB627
 538
BB$135 $49 $15 143 342 
B177
 383
B$52 167 219 
CCC67
 44
CCC7 33 242 $177 12 471 
Total carrying value of financing receivables
$2,041
 
$2,289
Total carrying value of financing receivables$142 $82 $15 $294 $177 $629 $1,339 
At December 31, 2017,2020, our allowance related to receivables with ratings of CCC, B, BB and BBB. We applied default rates that averaged 22.6%26.0%, 4.7%7.4%, 3.0% and 0.9%0.2%, respectively, to the exposure associated with those receivables.
Customer Financing Exposure
Customer financing is collateralized by security in the related asset. The value of the collateral is closely tied to commercial airline performance and overall market conditions and may be subject to reduced valuation with market decline. Certain collateral values are being adversely impacted by the changes in market conditions driven by the COVID-19 pandemic. Declines in collateral values could result in asset impairments, reduced finance lease income, and an increase in the allowance for losses. Our customer financing collateral is concentrated in 747-8out-of-production aircraft and out-of-production747-8 aircraft. Generally, out-of-production aircraft have experienced greater collateral value declines than in-production aircraft.

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The majority of customer financing carrying values are concentrated in the following aircraft models at December 31:
 2017
 2016
717 Aircraft ($269 and $301 accounted for as operating leases)
$1,081
 
$1,282
747-8 Aircraft ($467 and $1,086 accounted for as operating leases)467
 1,111
MD-80 Aircraft (Accounted for as sales-type finance leases)231
 259
757 Aircraft ($27 and $43 accounted for as operating leases)217
 246
747-400 Aircraft ($88 and $149 Accounted for as operating leases)170
 149
737 Aircraft ($127 and $103 Accounted for as operating leases)161
 103
767 Aircraft ($25 and $85 accounted for as operating leases)98
 170
777 Aircraft (Accounted for as notes)14
 165



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20202019
717 Aircraft ($98 and $124 accounted for as operating leases)$637 $736 
747-8 Aircraft ($121 and $130 accounted for as operating leases)480 475 
737 Aircraft ($214 and $240 Accounted for as operating leases)235 263 
777 Aircraft ($216 and $236 accounted for as operating leases)225 240 
MD-80 Aircraft (Accounted for as sales-type finance leases)167 186 
757 Aircraft ($4 and $22 accounted for as operating leases)147 182 
747-400 Aircraft ($19 and $31 Accounted for as operating leases)71 90 
Charges related to customer financing asset impairment for the years ended December 31 were as follows:
202020192018
Boeing Capital$32 $53 $1 
Other Boeing(8)217 38 
Total$24 $270 $39 
 2017
 2016
 2015
Boeing Capital
$13
 
$45
 
$162
Other Boeing30
 21
 
Total
$43
 
$66
 
$162
Lease income recorded in Revenue on the Consolidated Statements of Operations for the years ended December 31, 2020 and 2019 included $57 and $62 from sales-type/finance leases, and $118 and $139 from operating leases, of which $9 and $8 related to variable operating lease payments.
Scheduled receipts on customer financingAs of December 31, 2020, undiscounted cash flows for notes receivable, sales-type/finance and operating leases over the next five years and thereafter are as follows:
Notes receivableSales-type/finance leasesOperating leases
Year 1$149 $164 $85 
Year 253 150 75 
Year 334 141 72 
Year 418 121 56 
Year 519 83 34 
Thereafter147 97 66 
Total lease receipts420 756 388 
Less imputed interest(136)
Estimated unguaranteed residual values299 
Total$420 $919 $388 
At December 31, 2020 and December 31, 2019 unguaranteed residual values were $299 and $393. Guaranteed residual values at December 31, 2020 were not significant.
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Year2018
 2019
 2020
 2021
 2022
 Beyond 2022
Principal payments on notes receivable
$149
 
$167
 
$132
 
$175
 
$37
 
$17
Sales-type/finance lease payments receivable236
 223
 185
 120
 107
 288
Operating lease equipment payments receivable417
 86
 69
 53
 40
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Note 810 – Property, Plant and Equipment
Property, plant and equipment at December 31 consisted of the following:
20202019
Land$512 $527 
Buildings and land improvements14,415 14,288 
Machinery and equipment16,060 15,723 
Construction in progress1,340 1,306 
Gross property, plant and equipment32,327 31,844 
Less accumulated depreciation(20,507)(19,342)
Total$11,820 $12,502 
 2017
 2016
Land
$530
 
$535
Buildings and land improvements14,125
 13,796
Machinery and equipment14,577
 13,569
Construction in progress1,081
 1,790
Gross property, plant and equipment30,313
 29,690
Less accumulated depreciation(17,641) (16,883)
Total
$12,672
 
$12,807
Depreciation expense was $1,548, $1,418$1,533, $1,567 and $1,357$1,556 for the years ended December 31, 2017, 20162020, 2019 and 2015,2018, respectively. Interest capitalized during the years ended December 31, 2017, 20162020, 2019 and 20152018 totaled $110, $170$81, $83 and $158,$81, respectively.
Rental expense for leased properties was $283, $287During 2020 and $267, for the years ended December 31, 2017, 20162019, we acquired $47 and 2015, respectively. At December 31, 2017, minimum rental payments under capital leases aggregated $147. Minimum rental payments under operating leases with initial or remaining terms$128 of one year or more aggregated $1,355, net of sublease payments of $13 at December 31, 2017. Payments due under operatingproperty, plant and capital leases net of sublease amountsequipment through non-cash investing and non-cancellable future rentals during the next five years are as follows:
 2018
 2019
 2020
 2021
 2022
Minimum operating lease payments, net of sublease amounts
$216
 
$201
 
$157
 
$115
 
$96
Minimum capital lease payments55
 37
 24
 12
 4
financing transactions. Accounts payable related to purchases of property, plant and equipment were $196$182 and $292$256 for the years ended December 31, 20172020 and 2016.2019.


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Note 911 – Investments
Our investments, which are recorded in Short-term and other investments or Investments, consisted of the following at December 31:
2020 2019
Equity method investments (1)
$936 $1,031 
Time deposits17,154 50 
Available for sale debt instruments596 405 
Equity and other investments85 65 
Restricted cash & cash equivalents (2)
83 86 
Total$18,854 $1,637 
(1)Dividends received were $149 and $164 during 2020 and 2019. Retained earnings at December 31, 2020 include undistributed earnings from our equity method investments of $148.
(2)Reflects amounts restricted in support of our workers’ compensation programs, employee benefit programs, and insurance premiums.
Allowance for losses on available for sale debt instruments are assessed quarterly. All instruments are considered investment grade and, as such, we have not recognized an allowance for credit losses as of December 31, 2020.
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 2017
 2016
Equity method investments (1)

$1,214
 
$1,242
Time deposits613
 665
Available-for-sale investments508
 537
Other investments30
 33
Restricted cash & cash equivalents (2)
74
 68
Total
$2,439
 
$2,545
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(1)
Dividends received were $247 and $314 during 2017 and 2016. Retained earnings at December 31, 2017 include undistributed earnings from our equity method investments of $307.
(2)
Reflects amounts restricted in support of our workers’ compensation programs, employee benefit programs, and insurance premiums.
Equity Method Investments
Our equity method investments consisted of the following as of December 31:
SegmentOwnership PercentagesInvestment Balance
2020 2019
United Launch AllianceBDS50%$735 $771 
OtherBCA, BDS, BGS and Other201 260 
Total equity method investments$936 $1,031 
Note 12 – Leases
 SegmentOwnership Percentages Investment Balance
    2017
 2016
United Launch AllianceBDS50% 
$889
 
$914
OtherBCA, BDS, and BGS  325
 328
Total equity method investments  
$1,214
 
$1,242
Note 10 – Other Assets
Sea Launch
AtOur operating lease assets primarily represent manufacturing and research and development facilities, warehouses, and offices. Total operating lease expense was $360 and $326 for the years ended December 31, 20172020 and 2016, Other2019, of which $71 and $55 was attributable to variable lease expenses.
For the years ended December 31, 2020 and 2019, cash payments against operating lease liabilities totaled $299 and $277 and non-cash transactions totaled $371 and $371 to recognize operating assets included $356and liabilities for new leases.
Supplemental Consolidated Statement of receivablesFinancial Position information related to our former investment in the Sea Launch venture which became payable by certain Sea Launch partners following Sea Launch’s bankruptcy filing in June 2009. The net amounts owed to Boeing by eachleases consisted of the partners are as follows: S.P. Koroley Rocket and Space Corporation Energia of Russia (RSC Energia) – $223, PO Yuzhnoye Mashinostroitelny Zavod of Ukraine – $89 and KB Yuzhnoye of Ukraine – $44.following at December 31:
In 2013, we filed an action in the United States District Court for the Central District of California seeking reimbursement from the other Sea Launch partners. In 2016, the United States District Court for the Central District of California issued a judgment in favor of Boeing. Later that year, we reached an agreement which we believe will enable us to recover the outstanding receivable balance from RSC Energia over the next several years. We continue to pursue collection efforts against the former Ukrainian partners in connection with the court judgment. We continue to believe the partners have the financial wherewithal to pay and intend to pursue vigorously all of our rights and remedies. In the event we are unable to secure reimbursement from RSC Energia and the Ukrainian Sea Launch partners, we could incur additional charges.

20202019
Operating leases:
Operating lease right-of-use assets$1,252$1,182
Current portion of lease liabilities268252
Non-current portion of lease liabilities1,084978
Total operating lease liabilities$1,352$1,230
Weighted average remaining lease term (years)
99
Weighted average discount rate3.43%3.35%

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Maturities of operating lease liabilities for the next five years are as follows:
Spirit AeroSystems
Operating leases
2021$307 
2022241 
2023191 
2024135 
2025105 
Thereafter802 
Total lease payments1,781 
Less imputed interest(429)
Total$1,352 
As of December 31, 2017 and 2016, Other assets included $137 and $143 of receivables related to indemnifications from Spirit AeroSystems, Inc. (Spirit), for costs incurred related to pension and retiree medical obligations of former Boeing employees who were subsequently employed by Spirit. During the fourth quarter of 2014, Boeing filed a complaint against Spirit in the Delaware Superior Court seeking to enforce our rights to indemnification and to recover from Spirit amounts incurred by Boeing for pension and retiree medical obligations. During 2017, the court ruled against Boeing and denied our claim. In January 2018, Boeing filed a notice of appeal with the Delaware Supreme Court. We believe2020, we have substantial arguments on appealentered into a lease that has not yet commenced of $226, for a maintenance, repair and expect to fully recover from Spirit.overhaul hangar that will support military aircraft programs. This lease will commence in 2023 with a lease term of 25 years.
Note 1113 – Liabilities, Commitments and Contingencies
Accrued Liabilities
Accrued liabilities at December 31 consisted of the following:
20202019
Accrued compensation and employee benefit costs$7,121 $5,582 
737 MAX customer concessions and other considerations5,537 7,389 
Department of Justice agreement liability744 
Environmental565 570 
Product warranties1,527 1,267 
Forward loss recognition1,913 1,681 
Dividends payable1,159 
Income taxes payable43 670 
Current portion of lease liabilities268 252 
Other4,453 4,298 
Total$22,171 $22,868 
737 MAX Grounding and COVID-19 Impacts
In 2019, following two fatal 737 MAX accidents, the Federal Aviation Administration (FAA) and non-U.S. civil aviation authorities issued orders suspending commercial operations of 737 MAX aircraft. Deliveries of the 737 MAX were suspended following these orders. Deliveries in the U.S. resumed in late 2020 following rescission by the FAA of its grounding order.
Multiple legal actions have been filed against us as a result of the accidents. In addition, we are fully cooperating with U.S. government investigations related to the accidents and the 737 MAX program, including an investigation by the Securities and Exchange Commission, the outcome of which may be material. Other than as described below with respect to the U.S. Department of Justice, we cannot
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 2017
 2016
Accrued compensation and employee benefit costs
$6,659
 
$5,720
Environmental524
 562
Product warranties1,211
 1,414
Forward loss recognition1,683
 1,385
Dividends payable1,005
 866
Income Taxes Payable380
 89
Other3,830
 4,655
Total
$15,292
 
$14,691
reasonably estimate a range of loss, if any, not covered by available insurance that may result given the current status of the lawsuits, investigations and inquiries related to the 737 MAX.
On January 6, 2021, we entered into a Deferred Prosecution Agreement with the U.S. Department of Justice that resolves the Department of Justice’s previously disclosed investigation into us regarding the evaluation of the 737 MAX airplane by the FAA. Under the terms of the Deferred Prosecution Agreement, we agreed to the filing of a criminal information charging the Company with one count of conspiracy to defraud the United States, based on the conduct of two former 737 MAX program technical pilots; the criminal information will be dismissed after three years, provided that we comply with our obligations under the agreement. The Deferred Prosecution Agreement requires that we make payments totaling $2.51 billion, which consist of (a) a $243.6 million criminal monetary penalty; (b) $500 million in additional compensation to the heirs and/or beneficiaries of those who died in the Lion Air Flight 610 and Ethiopian Airlines Flight 302 accidents; and (c) $1.77 billion to the Company’s airline customers for harm incurred as a result of the grounding of the 737 MAX, offset in part by payments already made and the remainder satisfied through payments to be made prior to the termination of the Deferred Prosecution Agreement. The agreement also requires that we review our compliance program and undertake continuous improvement efforts with respect to it, and implement enhanced compliance reporting and internal controls mechanisms. Of the payments described above, $1.77 billion has been included in amounts reserved in prior quarters for 737 MAX customer considerations. We expensed $743.6 million in the fourth quarter of 2020 related to this agreement.
During the fourth quarter of 2020, the FAA rescinded the order that grounded 737 MAX aircraft and issued an Airworthiness Directive specifying requirements that must be met before U.S. carriers can resume service, including installing software enhancements, completing wire separation modification, conducting pilot training and performing maintenance steps to prepare parked aircraft to fly again. The FAA also issued a Continued Airworthiness Notification to the International Community, and published the 737 MAX training requirements. The FAA must approve 737 MAX pilot training program revisions for each U.S. airline operating the aircraft and has indicated its intent to retain its authority to issue airworthiness certificates and export certificates of airworthiness for all new 737 MAX aircraft manufactured subsequent to the grounding order. The Brazilian National Civil Aviation Agency approved return of operations in the fourth quarter of 2020, and Transport Canada and the European Union Aviation Safety Agency (EASA)approved return of operations in the first quarter of 2021.
In December 2020, we delivered 27 aircraft, in compliance with the FAA regulatory requirements described above. We have assumed that the remaining non-U.S. regulatory approvals will occur and enable deliveries during the first half of 2021. We have approximately 425 airplanes in inventory as of December 31, 2020. A number of customers have requested to defer deliveries or to cancel orders for 737 MAX aircraft, and we are remarketing and/or delaying deliveries of certain aircraft included within inventory. We now expect to deliver about half of the 737 MAX aircraft in inventory by the end of 2021. In the event that we are unable to resume aircraft deliveries in non-U.S. jurisdictions consistent with our assumptions of regulatory approval timing, our expectation of delivery timing could be impacted.
Due to the grounding and associated suspension of 737 MAX deliveries, we temporarily suspended 737 MAX production beginning in January 2020. We resumed early stages of 737 MAX production in May 2020 and continued to produce at low rates through the end of 2020.
In addition, we reduced the number of aircraft included in the accounting quantity by 400 units in the first quarter of 2020 as a result of reductions to planned production rates due to COVID-19 driven market uncertainties. As we are producing at abnormally low production rates in 2020 and 2021, we expect to incur approximately $5 billion of abnormal production costs that are being expensed as incurred. The slowdown in the planned production rate ramp-up increased expected abnormal costs, however this increase was offset by adjustments to the determination of the normal production level due to COVID-19 impacts on customer demand, as well as cost reduction activities, including significant
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reductions in employment levels. We expensed $2,567 of abnormal production costs during the year ended December 31, 2020.
In addition to impacts related to the 737 MAX accidents and subsequent grounding, the 737 program continues to be significantly impacted by the COVID-19 pandemic and its effect on aircraft demand. These impacts have resulted in lower production and delivery rate assumptions. We currently expect to gradually increase the production rate to 31 per month by early 2022. We currently assume that we will implement further gradual production rate increases in subsequent periods based on market demand. The ongoing impacts of COVID-19 on market demand have also created significant uncertainty around the timing of deliveries of 737 MAX aircraft in inventory. We may need to recognize additional costs associated with remarketing and/or reconfiguring aircraft in inventory, which may reduce revenue and/or earnings in future periods.
We have also recorded additional expenses of $416 and $328 due to the 737 MAX grounding during 2020 and 2019, which include costs related to storage, inventory impairment, pilot training, and software updates.
The following table summarizes changes in the 737 MAX customer concessions and other considerations liability during 2020.
20202019
Beginning balance – January 1$7,389 
Initial liability recorded in the second quarter of 2019$6,110 
Reductions for payments made(2,188)(1,237)
Reductions for concessions and other in-kind considerations(162)(133)
Changes in estimates498 2,649 
Ending balance – December 31$5,537 $7,389 
We are working with our customers to minimize the impact to their operations from grounded and undelivered aircraft. We continue to reassess the liability for estimated potential concessions and other considerations to customers on a quarterly basis. This reassessment includes updating estimates to reflect revisions to return to service, delivery and production rate assumptions driven by timing of regulatory approvals, as well as latest information based on engagements with 737 MAX customers. The liability represents our current best estimate of future concessions and other considerations to customers, and is necessarily based on a series of assumptions. It is subject to change in future quarters as negotiations with customers mature and timing and conditions of return to service are better understood. The liability balance of $5.5 billion at December 31, 2020 includes $2.3 billion expected to be liquidated by lower customer delivery payments, $0.6 billion expected to be paid in cash and $0.1 billion in other concessions. Of the cash payments to customers, we expect to pay $0.3 billion in 2021 and $0.3 billion in 2022. The type of consideration to be provided for the remaining $2.5 billion will depend on the outcomes of negotiations with customers.
The 737 MAX remains grounded in certain non-U.S. jurisdictions. The civil aviation authorities in those jurisdictions will determine the timing and conditions of return to service. Our assumptions reflect our current best estimate, but actual timing and conditions of return to service and resumption of deliveries could differ from this estimate, the effect of which could be material. We are unable at this time to reasonably estimate potential future additional financial impacts or a range of loss, if any, due to continued uncertainties related to the timing and conditions of return to service, uncertainties related to the impacts of COVID-19 on our operations, supply chain and customers, future changes to the production rate, supply chain impacts, and/or the results of negotiations with particular customers. Any such impacts, including any changes in our estimates, could have a material adverse effect on our financial position, results of operations, and/or cash flows. For example, we expect that, in the event
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that we are unable to resume aircraft deliveries in non-U.S. jurisdictions consistent with our assumptions, the continued absence of revenue, earnings, and cash flows associated with 737 MAX deliveries would continue to have a material impact on our operating results. In the event that future production rate increases occur at a slower rate or take longer than we are currently assuming, we expect that the growth in inventory and other cash flow impacts associated with production would decrease. However, while any prolonged production suspension or delays in planned production rate increases could mitigate the impact on our liquidity, it could significantly increase the overall expected costs to produce aircraft included in the accounting quantity, which would reduce 737 program margins and/or increase abnormal production costs in the future.
Commercial air traffic has fallen dramatically due to the COVID-19 pandemic. While this trend has impacted passenger traffic most severely, near-term cargo traffic has also fallen significantly due to the global economic downturn and the reduction in cargo capacity on passenger airplanes. Airlines have significantly reduced their capacity, and many could implement further reductions in the near future. Many airlines are also implementing significant reductions in staffing. These capacity changes are causing, and are expected to continue to cause, negative impacts to our customers’ revenue, earnings, and cash flow, and in some cases may threaten the future viability of some of our customers, potentially causing defaults within our customer financing portfolio and/or requiring us to remarket aircraft that have already been produced and/or are currently in backlog. If 737 MAX aircraft remain grounded for an extended period of time in non-U.S. jurisdictions, we may experience additional reductions to backlog and/or significant order cancellations. Additionally, we may experience fewer new orders and increased cancellations across all of our commercial airplane programs as a result of the COVID-19 pandemic and associated impacts on demand. Our customers may also lack sufficient liquidity to purchase new aircraft due to impacts from the pandemic. We are also observing a significant increase in the number of requests for payment deferrals, contract modifications, lease restructurings and similar actions, and these trends may lead to additional earnings charges, impairments and other adverse financial impacts in our business over time. In addition, to the extent that customers have valid rights to cancel undelivered aircraft, we may be required to refund pre-delivery payments, putting additional constraints on our liquidity. There is risk that the industry implements longer-term strategies involving reduced capacity, shifting route patterns, and mitigation strategies related to impacts from COVID-19 and the risk of future public health crises. In addition, airlines may experience reduced demand due to reluctance by the flying public to travel.
As a result, there is significant uncertainty with respect to when commercial air traffic levels will begin to recover, and whether and at what point capacity will return to and/or exceed pre-COVID-19 levels. The COVID-19 pandemic also has increased, and its aftermath is also expected to continue to increase, uncertainty with respect to global trade volumes, putting significant negative pressure on cargo traffic. Any of these factors would have a significant impact on the demand for both single-aisle and wide-body commercial aircraft, as well as for the services we provide to commercial airlines. In addition, a lengthy period of reduced industry-wide demand for commercial aircraft would put additional pressure on our suppliers, resulting in increased procurement costs and/or additional supply chain disruption. To the extent that the COVID-19 pandemic or its aftermath further impacts demand for our products and services or impairs the viability of some of our customers and/or suppliers, our financial condition, results of operations, and cash flows could be adversely affected, and those impacts could be material.
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Environmental
The following table summarizes environmental remediation activity during the years ended December 31, 20172020 and 2016.2019.
20202019
Beginning balance – January 1$570 $555 
Reductions for payments made(42)(47)
Changes in estimates37 62 
Ending balance – December 31$565 $570 
 2017
 2016
Beginning balance – January 1
$562
 
$566
Reductions for payments made(45) (47)
Changes in estimates7
 43
Ending balance – December 31
$524
 
$562
The liabilities recorded represent our best estimate or the low end of a range of reasonably possible costs expected to be incurred to remediate sites, including operation and maintenance over periods of up to 30 years. It is reasonably possible that we may incur charges that exceed these recorded amounts because of regulatory agency orders and directives, changes in laws and/or regulations, higher than expected costs and/or the discovery of new or additional contamination. As part of our estimating process, we develop a range of reasonably possible alternate scenarios that includes the high end of a range of reasonably possible cost estimates for all remediation sites for which we have sufficient information based on our experience and existing laws and regulations. There are some potential remediation obligations where the costs of remediation cannot be reasonably estimated. At December 31, 20172020 and 2016,2019, the high end of the estimated range of reasonably possible remediation costs exceeded our recorded liabilities by $868$1,095 and $857.$1,077.


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Product Warranties
The following table summarizes product warranty activity recorded during the years ended December 31, 20172020 and 2016.2019.
20202019
Beginning balance – January 1$1,267 $1,127 
Additions for current year deliveries65 188 
Reductions for payments made(260)(249)
Changes in estimates455 201 
Ending balance – December 31$1,527 $1,267 
 2017
 2016
Beginning balance – January 1
$1,414
 
$1,485
Additions for current year deliveries274
 356
Reductions for payments made(241) (309)
Changes in estimates(236) (118)
Ending balance – December 31
$1,211
 
$1,414
The increase in the product warranty reserve during the years ended December 31, 2020 and 2019 is primarily driven by charges related to “pickle forks” on 737NG aircraft. During 2019, we detected cracks in the "pickle forks", a frame fitting component of the structure connecting the wings to the fuselages of 737NG aircraft. We notified the FAA, which issued a directive requiring that certain 737NG airplanes be inspected. We have estimated the number of aircraft that will have to be repaired in the future and provisioned for the estimated costs of completing the repairs. We recognized charges of $135 in 2019 for current and projected future aircraft repairs. During the first quarter of 2020, we recognized additional charges of $336 based on revised engineering and fleet utilization estimates as well as updated repair cost estimates. We cannot estimate a range of reasonably possible losses, if any, in excess of amounts recognized due to the ongoing nature of the inspections and repairs and pending the completion of investigations into the cause of the condition.
Commercial Aircraft Commitments
In conjunction with signing definitive agreements for the sale of new aircraft (Sale Aircraft), we have entered into trade-in commitments with certain customers that give them the right to trade in used
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aircraft at a specified price upon the purchase of Sale Aircraft. The probability that trade-in commitments will be exercised is determined by using both quantitative information from valuation sources and qualitative information from other sources. The probability of exercise is assessed quarterly, or as events trigger a change, and takes into consideration the current economic and airline industry environments. Trade-in commitments, which can be terminated by mutual consent with the customer, may be exercised only during the period specified in the agreement, and require advance notice by the customer.
Trade-in commitment agreements at December 31, 20172020 have expiration dates from 20182021 through 2026.2028. At December 31, 20172020 and 2016,2019, total contractual trade-in commitments were $1,462$950 and $1,485.$1,407. As of December 31, 20172020 and 2016,2019, we estimated that it was probable we would be obligated to perform on certain of these commitments with net amounts payable to customers totaling $155$599 and $126$711 and the fair value of the related trade-in aircraft was $155$580 and $126.$678.
Financing Commitments
Financing commitments related to aircraft on order, including options and those proposed in sales campaigns, and refinancing of delivered aircraft, totaled $10,221$11,512 and $14,847$13,377 as of December 31, 20172020 and 2016.2019. The estimated earliest potential funding dates for these commitments as of December 31, 20172020 are as follows:
Total
Total
2018
$2,047
20192,975
20201,396
20211,322
2021$2,329 
2022935
20222,384 
202320231,677 
202420241,677 
202520251,827 
Thereafter1,546
Thereafter1,618 

$10,221
$11,512 
As of December 31, 2017,2020, all of these financing commitments relatedrelate to customers we believe have less than investment-grade credit. We have concluded that no reserve for future potential losses is required for these financing commitments based upon the terms, such as collateralization and interest rates, under which funding would be provided.

Funding Commitments

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$243 to joint ventures over the next seven years.
Standby Letters of Credit and Surety Bonds
We have entered into standby letters of credit and surety bonds with financial institutions primarily relating to the guarantee of our future performance on certain contracts. Contingent liabilities on outstanding letters of credit agreements and surety bonds aggregated approximately $3,708$4,238 and $4,701$3,769 as of December 31, 2017 and 2016.
Commitments to ULA
We and Lockheed Martin Corporation have each committed to provide ULA with additional capital contributions in the event ULA does not have sufficient funds to make a required payment to us under an inventory supply agreement. As of December 31, 2017, ULA’s total remaining obligation to Boeing under the inventory supply agreement was $120. See Note 6.2020 and 2019.
F/A-18
At December 31, 2017, our backlog included 26 F/A-18 aircraft under contract with the U.S. Navy. We have begun work or authorized suppliers to begin working on aircraft beyond those already in backlog in anticipation of future orders. At December 31, 2017, we had $155 of capitalized precontract costs and $855 of potential termination liabilities to suppliers associated with F/A-18 aircraft not yet ordered.
Company Owned Life Insurance
McDonnell Douglas Corporation insured its executives with Company Owned Life Insurance (COLI), which are life insurance policies with a cash surrender value. Although we do not use COLI currently, these obligations from the merger with McDonnell Douglas are still a commitment at this time. We have loans in place to cover costs paid or incurred to carry the underlying life insurance policies. As of
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December 31, 20172020 and 2016,2019, the cash surrender value was $489$395 and $483$448 and the total loans were $470$382 and $456.$431. As we have the right to offset the loans against the cash surrender value of the policies, we present the net asset in Other assets on the Consolidated Statements of Financial Position as of December 31, 20172020 and 2016.2019.
United States Government Defense Environment Overview
In November 2017, Congress passedThe Omnibus appropriations acts for FY21, enacted in December 2020, provided FY21 appropriations for government departments and agencies, including the United States Department of Defense (U.S. DoD), the National Defense Authorization Act for fiscal year 2018 (FY2018), which authorizes a U.S. DoD budget topline higher than the administration’s budget request from May. While the appropriations process for FY2018 remains incomplete, both the HouseAeronautics and Senate appropriations committees have also produced bills that increase the U.S. DoD budget topline above the administration’s request. On February 9, 2018, Congress passed a fifth Continuing Resolution that maintains current funding levels through March 23, 2018 and includes increases to the Budget Control Act caps for defense and non-defense spending for FY2018 and FY2019. However, the Budget Control Act continues to mandate limits on U.S. government discretionary spending and remains in effect. As a result, continued budget uncertaintySpace Administration (NASA) and the risk of future sequestration cuts will remain unless Congress acts to repeal or suspend this law.Federal Aviation Administration.
Funding timeliness also remains a risk. If Congress is unable to passThe enacted FY21 appropriations bills or an omnibus spending bill beforeincluded funding for Boeing’s major programs, such as the expiration of the current Continuing Resolution, a government shutdown could result which may have impacts aboveF/A-18 Super Hornet, F-15EX, CH-47 Chinook, AH-64 Apache, V-22 Osprey, KC-46A Tanker, P-8 Poseidon and beyond those resulting from budget cuts, sequestration impacts or program-level appropriations. For example, requirements to furlough employees in the U.S. DoD, the Department of Transportation, or other government agencies could result in payment delays, impair our ability to perform work on existing contracts, and/or negatively impact future orders.


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In addition,Space Launch System. However, there continues to be uncertainty with respect to future program-level appropriations for the U.S. DoD and other government agencies, including the National Aeronautics and Space Administration (NASA), within the overall budgetary framework described above.NASA. Future budget cuts or investment priority changes, including changes associated with the authorizations and appropriations process, could result in reductions, cancellations and/or delays of existing contracts or programs. Any of these impacts could have a material effect on theour results of the Company’s operations, financial position and/or cash flows.

BDS Fixed-Price Development Contracts
Fixed-price development work is inherently uncertain and subject to significant variability in estimates of the cost and time required to complete the work. BDS fixed-price contracts with significant development work include Commercial Crew, Saudi F-15, USAF KC-46A Tanker, MQ-25, T-7A Red Hawk, VC-25B, and commercial and military satellites. The operational and technical complexities of these contracts create financial risk, which could trigger termination provisions, order cancellations or other financially significant exposure. Changes to cost and revenue estimates could result in lower margins or material charges for reach-forward losses. For example, during 2017, we have recorded additionalan increase in the reach-forward lossesloss of $471$1,320 on the KC-46A Tanker program.in 2020. The KC-46A Tanker reach-forward loss reflects $551 of costs associated with the agreement signed in April 2020 with the U.S. Air Force (USAF) to develop and integrate a new Remote Vision System, and the remaining costs reflect production inefficiencies including impacts of COVID-19 disruption. Moreover, this and our other fixed-price development programs remain subject to additional reach-forward losses if we experience further production, technical or quality issues, schedule delays, or increased costs.
KC-46A Tanker
In 2011, we were awarded a contract from the U.S. Air Force (USAF) to design, develop, manufacture and deliver four next generation aerial refueling tankers. This Engineering, Manufacturing and Development (EMD) contract is a fixed-price incentive fee contract valued at $4.9 billion and involves highly complex designs and systems integration. InSince 2016, the USAF has authorized twofive low rate initial production (LRIP) lots for 7a total of 67 aircraft. The EMD contract and 12 aircraftauthorized LRIP lots are valued at $2.8 billion. In January 2017, the USAF authorized an additional LRIP lot for 15 aircraft valued at $2.1 billion.approximately $15 billion as of December 31, 2020.
At December 31, 2017,2020, we had approximately $347$463 of capitalized precontract costs and $1,024$1,281 of potential termination liabilities to suppliers. These values were primarily related to 12 aircraft in lot 6 and 15 aircraft in lot 7 for which we received contract awards in January 2021.
Recoverable Costs on Government Contracts
Our final incurred costs for each year are subject to audit and review for allowability by the U.S. government, which can result in payment demands related to costs they believe should be disallowed. We work with the U.S. government to assess the merits of claims and where appropriate reserve for
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amounts disputed. If we are unable to satisfactorily resolve disputed costs, we could be required to record an earnings charge and/or provide refunds to the U.S. government.

Severance

The following table summarizes changes in the severance liability during 2020:
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2020
Initial liability recorded in the second quarter of 2020$652
Reductions for payments made(658)
Changes in estimates289
Ending balance – December 31$283
voluntary and involuntary terminations. The severance packages are consistent with the Company’s ongoing compensation and benefits plans. As of December 31, 2020, approximately 18,000 of the 26,000 employees have left the Company, and the remainder are expected to leave in 2021.

Note 1214 – Arrangements with Off-Balance Sheet Risk
We enter into arrangements with off-balance sheet risk in the normal course of business, primarily in the form of guarantees.
The following table provides quantitative data regarding our third party guarantees. The maximum potential payments represent a “worst-case scenario,” and do not necessarily reflect amounts that we expect to pay. Estimated proceeds from collateral and recourse represent the anticipated values of assets we could liquidate or receive from other parties to offset our payments under guarantees. The carrying amount of liabilities represents the amount included in Accrued liabilities.
Maximum
Potential
Payments
Estimated
Proceeds from
Collateral/
Recourse
Carrying
Amount of
Liabilities
December 31,202020192020201920202019
Contingent repurchase commitments$1,452 $1,570 $1,452 $1,570 
Indemnifications to ULA:
Contributed Delta inventory15 30 
Inventory supply agreement17 34 
Questioned costs317 $48 
Credit guarantees90 92 28 36 $24 16 
 
Maximum
Potential
Payments
 
Estimated
Proceeds from
Collateral/
Recourse
 
Carrying
Amount of
Liabilities
December 31,2017
2016
 2017
2016
 2017
2016
Contingent repurchase commitments
$1,605

$1,306
 
$1,605

$1,306
 
$9

$9
Indemnifications to ULA:        
Contributed Delta program launch inventory72
77
      
Contract pricing261
261
    7
7
Other Delta contracts191
216
    

5
Credit guarantees109
29
 55
27
 16
2
Contingent Repurchase Commitments The repurchase price specified in contingent repurchase commitments is generally lower than the expected fair value at the specified repurchase date. Estimated proceeds from collateral/recourse in the table above represent the lower of the contracted repurchase price or the expected fair value of each aircraft at the specified repurchase date.
Indemnifications to ULA In 2006, we During the first quarter of 2020, the USAF and ULA reached a settlement regarding previously questioned deferred support and deferred production costs. As part of the settlement the USAF agreed to indemnifyreimburse ULA throughfor $307 of those costs, which was received by ULA in the second quarter. Our indemnification to ULA associated with the recoverability of contributed assets
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expired on December 31, 2020, against potential non-recoverability and non-allowability of $1,360 of Boeing Delta launch program inventory includedresulting in contributed assets plus $1,860 of inventory subject to an inventory supply agreement which ends on March 31, 2021. Since inception, ULA has consumed $1,288 of the $1,360 of inventory that was contributed by us and has yet to consume $72. Under the inventory supply agreement, we have recorded revenues and cost of sales of $1,528 through December 31, 2017. ULA has made payments of $1,740 to us under the inventory supply agreement and we have made $48 of net indemnification payments to ULA.
We agreed to indemnify ULA against potential losses that ULA may incur in the event ULA is unable to obtain certain additional contract pricing from the USAF for four satellite missions. In 2009, ULA filed a complaint before the Armed Services Board of Contract Appeals (ASBCA) for a contract adjustment for the price of two of these missions, followed in 2011 by a subsequent notice of appeal with respect to a third mission. The USAF did not exercise an option for a fourth mission prior$33 payment to the expiration of the contract. During the second quarter of 2016, the ASBCA ruled that ULA is entitledpartnership. This settlement retires our indemnification risks to additional contract pricing for each of the three missions and remanded to the parties to negotiate appropriate pricing. During the fourth quarter of 2016, the USAF appealed the ASBCA’s ruling. In April 2017, the USAF withdrew its appeal. If ULA is ultimately unsuccessful in obtaining additional pricing, we may be responsible for an indemnification payment up to $261 and may record up to $277 in pre-tax losses associated with the three missions.ULA.
Potential payments for Other Delta contracts include $85 related to deferred support costs and $91 related to deferred production costs. In June 2011, the Defense Contract Management Agency (DCMA) notified ULA that it had determined that $271 of deferred support costs are not recoverable under government contracts. In December 2011, the DCMA notified ULA of the potential non-recoverability of an additional $114 of deferred production costs. ULA and Boeing believe that all costs are recoverable and in November


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2011, ULA filed a certified claim with the USAF for collection of deferred support and production costs. The USAF issued a final decision denying ULA’s certified claim in May 2012. In 2012, Boeing and ULA filed a suit in the Court of Federal Claims seeking recovery of the deferred support and production costs from the U.S. government, which subsequently asserted a counterclaim for credits that it alleges were offset by deferred support cost invoices. We believe that the U.S. government’s counterclaim is without merit. The discovery phase of the litigation completed in 2017, and during the fourth quarter, Boeing filed a motion for summary judgment for full recovery of its costs. If, contrary to our belief, it is determined that some or all of the deferred support or production costs are not recoverable, we could be required to record pre-tax losses and make indemnification payments to ULA for up to $317 of the costs questioned by the DCMA.
Other Indemnifications In conjunction with our sales of Electron Dynamic Devices, Inc. and Rocketdyne Propulsion and Power businesses and our BCA facilities in Wichita, Kansas and Tulsa and McAlester, Oklahoma, we agreed to indemnify, for an indefinite period, the buyers for costs relating to pre-closing environmental conditions and certain other items. We are unable to assess the potential number of future claims that may be asserted under these indemnifications, nor the amounts thereof (if any). As a result, we cannot estimate the maximum potential amount of future payments under these indemnities and therefore, no liability has been recorded. To the extent that claims have been made under these indemnities and/or are probable and reasonably estimable, liabilities associated with these indemnities are included in the environmental liability disclosure in Note 11.13.
Credit Guarantees We have issued credit guarantees where we are obligated to make payments to a guaranteed party in the event that the original lessee or debtor does not make payments or perform certain specified services. Generally, these guarantees have been extended on behalf of guaranteed parties with less than investment-grade credit and are collateralized by certain assets. Current outstanding credit guarantees expire through 2036.
Industrial Revenue Bonds
Industrial Revenue Bonds (IRB) issued by St. Louis County were used to finance the purchase and/or construction of real and personal property at our St. Louis site. Tax benefits associated with IRBs include a twelve-year property tax abatement and sales tax exemption from St. Louis County. We record these properties on our Consolidated Statements of Financial Position. We have also purchased the IRBs and therefore are the bondholders as well as the borrower/lessee of the properties purchased with the IRB proceeds. The liabilities and IRB assets are equal and are reported net in the Consolidated Statements of Financial Position.
As of December 31, 20172020 and 2016,2019, the assets and liabilities associated with the IRBs were $166 and $64.$271.
Note 1315 – Debt
OnIn the first quarter of 2020, we entered into a $13,825, two-year delayed draw term loan facility, which includes additional commitments made subsequent to the initial closing date. As of December 31, 2020, we have fully drawn on the 13,825 delayed draw term loan facility, with February 16, 2017,6, 2022 as the final maturity date. Borrowings outstanding bear interest at the Eurodollar rate (determined in accordance with the delayed draw term loan facility agreement) plus between 0.75% and 1.25%, depending on our credit rating.
In the second quarter of 2020, we issued $900$25,000 of fixed rate senior notes consisting of $300$3,000 due MarchMay 1, 20222023 that bear an annual interest rate of 2.125%4.508%, $300$3,500 due MarchMay 1, 2025 that bear an annual interest rate of 4.875%, $2,000 due May 1, 2027 that bear an annual interest rate of 2.8%5.04%, and $300$4,500 due MarchMay 1, 20472030 that bear an annual interest rate of 3.65%5.15%, $3,000 due May 1, 2040 that bear an annual interest rate of 5.705%, $5,500 due May 1, 2050 that bear an annual interest rate of 5.805%, and $3,500 due May 1, 2060 that bear an annual interest rate of 5.93%. The notes are unsecured senior obligations and rank equally in right of payment with our existing and future unsecured and unsubordinated indebtedness. The net proceeds of the issuance totaled $871,$24,802, after deducting underwriting discounts, commissions, and offering expenses.
In the fourth quarter of 2020, we issued $4,900 of fixed rate senior notes consisting of $1,000 due February 1, 2024 that bear an annual interest rate of 1.95%, $1,400 due February 1, 2026 that bear an annual interest rate of 2.75%, $1,100 due February 1, 2028 that bear an annual interest rate of 3.25%, and $1,400 due February 1, 2031 that bear an annual interest rate of 3.625%. The notes are unsecured
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senior obligations and rank equally in right of payment with our existing and future unsecured and unsubordinated indebtedness. The net proceeds of the issuance totaled $4,870, after deducting underwriting discounts, commissions, and offering expenses.
Interest incurred, including amounts capitalized, was $541, $535$2,280, $867 and $497$624 for the years ended December 31, 2017, 20162020, 2019 and 2015,2018, respectively. Interest expense recorded by BCC is reflected as Boeing Capital interest expense on our Consolidated Statements of Operations. Total Company interest payments were $527, $523$1,925, $973 and $488$616 for the years ended December 31, 2017, 20162020, 2019 and 2015,2018, respectively.


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We have $5,000$9,473 currently available under credit line agreements, of which $2,500$3,073 is a 364-day revolving credit facility expiring in October 2018, $2,4702021, $3,200 expires in NovemberOctober 2022,, and $30$3,200 expires in November 2021.October 2024. The 364-day credit facility has a one-year term out option which allows us to extend the maturity of any borrowings one year beyond the aforementioned expiration date. We continue to be in full compliance with all covenants contained in our debt or credit facility agreements.
Short-term debt and current portion of long-term debt at December 31 consisted of the following:
20202019
2017
 2016
Unsecured debt securities
$599
 
$255
Unsecured debtUnsecured debt$1,448 $1,099 
Non-recourse debt and notes33
 33
Non-recourse debt and notes15 21 
Capital lease obligations52
 57
Commercial Paper600
 

Finance lease obligationsFinance lease obligations65 71 
Commercial paperCommercial paper6,109 
Other notes51
 39
Other notes165 40 
Total
$1,335
 
$384
Total$1,693 $7,340 
Debt at December 31 consisted of the following:
20202019
Unsecured debt
Variable rate: Eurodollar plus 0.75% - 1.25% due 2022$13,819 
1.45% - 3.20% due through 203010,645 $8,600 
3.25% - 3.90% due through 20599,555 7,073 
3.95% - 5.15% due through 205913,917 1,731 
5.71% - 6.63% due through 206013,005 1,129 
6.88% - 8.75% due through 20432,252 2,250 
Commercial paper6,109 
Non-recourse debt and notes
6.98% notes due through 202115 37 
Finance lease obligations due through 2044203 229 
Other notes172 144 
Total debt$63,583 $27,302 
 2017
 2016
Unsecured debt securities   
0.95% - 4.88% due through 2047
$6,127
 5,250
5.80% - 6.88% due through 20432,386
 2,383
7.25% - 8.75% due through 20431,637
 1,641
Commercial paper600
  
Variable rate: 3-month USD LIBOR plus 12.5 basis points due 2017



 
$250
   

Non-recourse debt and notes   
6.98% - 7.38% notes due through 202194
 127
Capital lease obligations due through 2034138
 138
Other notes135
 163
Total debt
$11,117
 
$9,952
As ofAt December 31, 2017, borrowings of2020, we had no commercial paper of $600,borrowings. At December 31, 2019, commercial paper borrowings totaling $6,109, with a weighted-average interest rate of 1.4%2.2%, were supported by unused commitments under the revolving credit agreement. We had no commercial paper borrowings in 2016.
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Total debt at December 31 is attributable to:
2017
 2016
20202019
BCC
$2,523
 
$2,864
BCC$1,640 $1,960 
Other Boeing8,594
 7,088
Other Boeing61,943 25,342 
Total debt
$11,117
 
$9,952
Total debt$63,583 $27,302 
At December 31, 2017, $942020, $15 of debt (non-recourse debt, notes and capital lease obligations)debt) was collateralized by customer financing assets totaling $231.


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$167.
Scheduled principal payments for debt and minimum capitalfinance lease obligations for the next five years are as follows:
20212022202320242025
Debt$1,630 $14,976 $3,776 $2,001 $4,301 
Minimum finance lease obligations$68 $53 $31 $14 $6 
 2018
 2019
 2020
 2021
 2022
Scheduled principal payments
$1,340
 
$1,275
 
$1,148
 
$728
 
$554
Note 1416 – Postretirement Plans
The majorityMany of our employees have earned benefits under defined benefit pension plans. Nonunion and the majority of union employees that had participated in defined benefit pension plans transitioned to a company-funded defined contribution retirement savings plan in 2016. Additional union employees transitioned to company-funded defined contribution retirement savings plans effective January 1, 2019.
We fund our major pension plans through trusts. Pension assets are placed in trust solely for the benefit of the plans’ participants, and are structured to maintain liquidity that is sufficient to pay benefit obligations as well as to keep pace over the long-term with the growth of obligations for future benefit payments.
We also have other postretirement benefits (OPB) other than pensions which consist principally of health care coverage for eligible retirees and qualifying dependents, and to a lesser extent, life insurance to certain groups of retirees. Retiree health care is provided principally until age 65 for approximately halftwo-thirds of those retireesparticipants who are eligible for health care coverage. Certain employee groups, including employees covered by most United Auto Workers bargaining agreements, are provided lifetime health care coverage. The funded status of the plans is measured as the difference between the plan assets at fair value and the projected benefit obligation (PBO). We have recognized the aggregate of all overfunded plans in Other assets, and the aggregate of all underfunded plans in either Accrued retiree health care or Accrued pension plan liability, net. The portion of the amount by which the actuarial present value of benefits included in the PBO exceeds the fair value of plan assets, payable in the next 12 months, is reflected in Accrued liabilities.
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The components of net periodic benefit (income)/cost were as follows:
 Pension Other Postretirement Benefits
Years ended December 31,2017
 2016
 2015
 2017
 2016
 2015
Service cost
$402
 
$604
 
$1,764
 
$106
 
$128
 
$140
Interest cost2,991
 3,050
 2,990
 229
 262
 248
Expected return on plan assets(3,847) (3,999) (4,031) (7) (8) (8)
Amortization of prior service (credits)/costs(39) 38
 196
 (137) (126) (136)
Recognized net actuarial loss804
 790
 1,577
 10
 22
 31
Settlement/curtailment/other losses1
 40
 290
 

 
 10
Net periodic benefit cost
$312
 
$523
 
$2,786
 
$201
 
$278
 
$285
            
Net periodic benefit cost included in Earnings from operations
$639
 
$1,979
 
$2,366
 
$262
 
$274
 
$288
PensionOther Postretirement Benefits
Years ended December 31,202020192018202020192018
Service cost$3 $2 $430 $89 $77 $94 
Interest cost2,455 2,925 2,781 130 196 194 
Expected return on plan assets(3,756)(3,863)(4,009)(9)(8)(8)
Amortization of prior service credits(80)(79)(56)(38)(35)(126)
Recognized net actuarial loss/(gain)1,032 643 1,130 (63)(46)(10)
Settlement/curtailment loss/(gain)9 44 (4)
Net periodic benefit (income)/cost($337)($372)$320 $105 $184 $144 
Net periodic benefit cost included in (Loss)/earnings
from operations
$3 $313 $313 $91 $88 $84 
Net periodic benefit (income)/cost included in Other income, net(340)(374)(143)16 107 101 
Net periodic benefit (income)/cost included in (Loss)/earnings before income taxes($337)($61)$170 $107 $195 $185 
The following tables show changes in the benefit obligation, plan assets and funded status of both pensions and OPB for the years ended December 31, 20172020 and 2016.2019. Benefit obligation balances presented below reflect the PBO for our pension plans, and accumulated postretirement benefit obligations (APBO) for our OPB plans.


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Pension Other Postretirement BenefitsPensionOther Postretirement Benefits
2017
 2016
 2017
 2016
2020201920202019
Change in benefit obligation       Change in benefit obligation
Beginning balance
$76,745
 
$74,388
 
$6,431
 
$7,138
Beginning balance$77,645 $71,424 $5,080 $5,114 
Service cost402
 604
 106
 128
Service cost3 89 77 
Interest cost2,991
 3,050
 229
 262
Interest cost2,455 2,925 130 196 
Plan participants’ contributions

 1
 
 
Amendments(7) 6
 (35) (57)Amendments(29)
Actuarial loss/(gain)5,653
 2,669
 (204) (612)Actuarial loss/(gain)7,759 8,695 (218)127 
Settlement/curtailment/other(751) (63) 
 
Settlement/curtailment/other(68)(756)55 
Gross benefits paid(4,658) (3,903) (481) (469)Gross benefits paid(5,386)(4,658)(450)(474)
Subsidies

 

 33
 37
Subsidies36 36 
Exchange rate adjustment18
 (7) 6
 4
Exchange rate adjustment7 13 
Ending balance
$80,393
 
$76,745
 
$6,085
 
$6,431
Ending balance$82,415 $77,645 $4,693 $5,080 
Change in plan assets       Change in plan assets
Beginning balance at fair value
$56,692
 
$56,514
 134
 
$132
Beginning balance at fair value$61,711 $56,102 $149 $132 
Actual return on plan assets8,552
 3,885
 15
 7
Actual return on plan assets9,275 10,851 21 26 
Company contribution4,025
 113
 6
 6
Company contribution3,013 16 
Plan participants’ contributions

 1
 4
 7
Plan participants’ contributions6 
Settlement payments(744) (24) 
 
Settlement payments(68)(756)
Benefits paid(4,530) (3,791) (16) (18)Benefits paid(5,241)(4,514)(16)(16)
Exchange rate adjustment16
 (6) 
 
Exchange rate adjustment6 12 
Ending balance at fair value
$64,011
 
$56,692
 
$143
 
$134
Ending balance at fair value$68,696 $61,711 $160 $149 
Amounts recognized in statement of financial position at December 31 consist of:       Amounts recognized in statement of financial position at December 31 consist of:
Other assets
$218
 
$3
 

 

Other assets$837 $484 
Other accrued liabilities(129) (113) (397) (381)
Accrued liabilitiesAccrued liabilities(148)(142)($396)($391)
Accrued retiree health care

 

 (5,545) (5,916)Accrued retiree health care(4,137)(4,540)
Accrued pension plan liability, net(16,471) (19,943) 

 

Accrued pension plan liability, net(14,408)(16,276)
Net amount recognized
($16,382) 
($20,053) 
($5,942) 
($6,297)Net amount recognized($13,719)($15,934)($4,533)($4,931)
Amounts recognized in Accumulated other comprehensive loss at December 31 were as follows:
PensionOther Postretirement Benefits
2020201920202019
Net actuarial loss/(gain)$24,324 $23,124 ($735)($625)
Prior service credits(1,387)(1,467)(110)(122)
Total recognized in Accumulated other comprehensive loss$22,937 $21,657 ($845)($747)
 Pension Other Postretirement Benefits
 2017
 2016
 2017
 2016
Net actuarial loss/(gain)
$22,942
 
$22,802
 
($59) 
$152
Prior service (credits)(1,211) (1,243) (226) (328)
Total recognized in Accumulated other comprehensive loss
$21,731
 
$21,559
 
($285) 
($176)



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The estimated amount that will be amortized from Accumulated other comprehensive loss into net periodic benefit cost during the year ending December 31, 2018 is as follows:
 Pension
 Other Postretirement Benefits
Recognized net actuarial loss/(gain)
$1,128
 
($10)
Amortization of prior service (credits)(56) (126)
Total
$1,072
 
($136)
The accumulated benefit obligation (ABO) for all pension plans was $77,414$80,694 and $74,240$75,787 at December 31, 20172020 and 2016.2019. Key information for our plans with ABO and PBO in excess of plan assets as of December 31 was as follows:
20202019
Accumulated benefit obligation$74,337 $70,466 
Fair value of plan assets61,502 55,907 
2017
 2016
20202019
Projected benefit obligation
$74,953
 
$76,586
Projected benefit obligation$76,057 $72,325 
Accumulated benefit obligation71,975
 74,081
Fair value of plan assets
$58,353
 
$56,530
Fair value of plan assets61,502 55,907 
Assumptions
The following assumptions, which are the weighted average for all plans, are used to calculate the benefit obligation at December 31 of each year and the net periodic benefit cost for the subsequent year.
December 31,2017
 2016
 2015
December 31,202020192018
Discount rate:     Discount rate:
Pension3.60% 4.00% 4.20%Pension2.50 %3.30 %4.20 %
Other postretirement benefits3.30% 3.70% 3.80%Other postretirement benefits2.00 %3.00 %4.00 %
Expected return on plan assets6.80% 6.80% 7.00%Expected return on plan assets6.50 %6.80 %6.80 %
Rate of compensation increase5.30% 4.40% 4.00%Rate of compensation increase4.30 %4.30 %5.30 %
Interest crediting rates for cash balance plansInterest crediting rates for cash balance plans5.00 %5.15 %5.15 %
The discount rate for each plan is determined based on the plans’ expected future benefit payments using a yield curve developed from high quality bonds that are rated as Aa or better by at least half of the four rating agencies utilized as of the measurement date. The yield curve is fitted to yields developed from bonds at various maturity points. Bonds with the ten percent highest and the ten percent lowest yields are omitted. A portfolio of about 400 bonds is used to construct the yield curve. Since corporate bond yields are generally not available at maturities beyond 30 years, it is assumed that spot rates will remain level beyond that 30-year point. The present value of each plan’s benefits is calculated by applying the discount rates to projected benefit cash flows. All bonds are U.S. issues, with a minimum outstanding of $50.
The pension fund’s expected return on plan assets assumption is derived from a review of actual historical returns achieved by the pension trust and anticipated future long-term performance of individual asset classes. While consideration is given to recent trust performance and historical returns, the assumption represents a long-term, prospective return. The expected return on plan assets component of the net periodic benefit cost for the upcoming plan year is determined based on the expected return on plan assets assumption and the market-related value of plan assets (MRVA). Since our adoption of the accounting standard for pensions in 1987, we have determined the MRVA based on a five-yearfive-year moving average of plan assets. As of December 31, 2017,2020, the MRVA was approximately $2,260$6,805 less than the fair market value of assets.


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Assumed health care cost trend rates were as follows:
December 31,2017
 2016
 2015
Health care cost trend rate assumed next year6.00% 6.50% 6.50%
Ultimate trend rate4.50% 5.00% 5.00%
Year that trend reached ultimate rate2021
 2021
 2021
Assumed health care cost trend rates have a significant effect on the amounts reported for the health care plans. To determine the health care cost trend rates we look at a combination of information including ongoing claims cost monitoring, annual statistical analyses of claims data, reconciliation of forecast claims against actual claims, review of trend assumptions of other plan sponsors and national health trends, and adjustments for plan design changes, workforce changes, and changes in plan participant behavior. A one-percentage-point change in assumed health care cost trend rates would have the following effect:
December 31,202020192018
Health care cost trend rate assumed next year4.50 %5.00 %5.50 %
Ultimate trend rate4.50 %4.50 %4.50 %
Year that trend reached ultimate rate202120212021
109

 Increase
 Decrease
Effect on total of service and interest cost
$45
 
($37)
Effect on postretirement benefit obligation529
 (448)
Table of Contents
Plan Assets
Investment Strategy The overall objective of our pension assets is to earn a rate of return over time to satisfy the benefit obligations of the pension plans and to maintain sufficient liquidity to pay benefits and address other cash requirements of the pension fund. Specific investment objectives for our long-term investment strategy include reducing the volatility of pension assets relative to pension liabilities, achieving a competitive total investment return, achieving diversification between and within asset classes and managing other risks. Investment objectives for each asset class are determined based on specific risks and investment opportunities identified.
We periodically update our long-term, strategic asset allocations. We use various analytics to determine the optimal asset mix and consider plan liability characteristics, liquidity characteristics, funding requirements, expected rates of return and the distribution of returns. We identify investment benchmarks to evaluate performance for the asset classes in the strategic asset allocation that are market-based and investable where possible. Actual allocations to each asset class vary from target allocations due to periodic investment strategy changes, market value fluctuations, the length of time it takes to fully implement investment allocation positions, and the timing of benefit payments and contributions. Short-term investments and exchange-traded derivatives are used to rebalance the actual asset allocation to the target asset allocation. The asset allocation is monitored and rebalanced on a monthly basis.frequently. The actual and target allocations by asset class for the pension assets at December 31 were as follows:
 Actual Allocations Target Allocations
Asset Class2017
 2016
 2017
 2016
Fixed income46% 48% 47% 47%
Global equity31
 28
 29
 29
Private equity5
 5
 5
 5
Real estate and real assets8
 9
 9
 9
Hedge funds10
 10
 10
 10
Total100% 100% 100% 100%


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Actual AllocationsTarget Allocations
Asset Class2020201920202019
Fixed income49 %49 %49 %47 %
Global equity30 29 29 29 
Private equity6 5 
Real estate and real assets7 9 
Hedge funds8 8 10 
Total100 %100 %100 %100 %
Fixed income securities are invested primarily in a diversified portfolio of long duration instruments.instruments as well as Emerging Market, Structured, High Yield and Private Debt. Global equity securities are invested in a diversified portfolio of U.S. and non-U.S. companies, across various industries and market capitalizations.

Private equity investment vehicles are primarily limited partnerships (LPs) that mainly invest in U.S. and non-U.S. leveraged buyout, venture capital and special situation strategies. Real estate and real assets include global private investments that may be held through an investmentinvestments in a limited partnership (LP) or other fund structures and publicly traded investments (such as Real Estate Investment Trusts (REITs) in the case of real estate). Real estate includes, but is not limited to, investments in office, retail, apartment and industrial properties. Real assets include, but are not limited to, investments in natural resources (such as energy, farmland and timber), commodities and infrastructure. Private equity investment vehicles are primarily limited partnerships (LPs) that mainly invest in U.S. and non-U.S. leveraged buyout, venture capital and special situation strategies.
Hedge fund investments seek to capitalize on inefficiencies identified across and within different asset classes or markets. Hedge fund strategy types include, but are not limited to directional, event driven, relative value, long-short and multi-strategy.
Investment managers are retained for explicit investment roles specified by contractual investment guidelines. Certain investment managers are authorized to use derivatives, such as equity or bond futures, swaps, options and currency futures or forwards. Derivatives are used to achieve the desired market exposure of a security or an index, transfer value-added performance between asset classes,
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achieve the desired currency exposure, adjust portfolio duration or rebalance the total portfolio to the target asset allocation.
As a percentage of total pension plan assets, derivative net notional amounts were 5.0%8.3% and 6.0%4.3% for fixed income, including to-be-announced mortgage-backed securities and treasury forwards, and 6.9%0.4% and 1.2%3.6% for global equity and commodities at December 31, 20172020 and 2016.2019.
In August 2017,In November 2020, the Company elected to contribute $3,500contributed $3,000 of our common stock to the pension fund. An independent fiduciary was retained to manage and liquidate the stock over time at its discretion. The liquidationPlan assets included $3,298 and $0 of theour common stock holdings was completed during the fourth quarteras of 2017.December 31, 2020 and 2019.
Risk Management In managing the planpension assets, we review and manage risk associated with funded status risk, interest rate risk, market risk, counterparty risk, liquidity risk and operational risk. Liability matching and asset class diversification are central to our risk management approach and are integral to the overall investment strategy. Further, asset classes are constructed to achieve diversification by investment strategy, by investment manager, by industry or sector and by holding. Investment manager guidelines for publicly traded assets are specified and are monitored regularly through the custodian. Credit parameters for counterparties have been established for managers permitted to trade over-the-counter derivatives. Valuation is governed through several types of procedures, including reviews of manager valuation policies, custodian valuation processes, pricing vendor practices, pricing reconciliation, and periodic, security-specific valuation testing.

testing.

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Fair Value Measurements The following table presents our plan assets using the fair value hierarchy as of December 31, 20172020 and 2016.2019. The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value. Level 1 refers to fair values determined based on quoted prices in active markets for identical assets. Level 2 refers to fair values estimated using significant other observable inputs, and Level 3 includes fair values estimated using significant unobservable inputs.
December 31, 2020December 31, 2019
TotalLevel 1Level 2Level 3TotalLevel 1Level 2Level 3
Fixed income securities:
Corporate$20,841 $20,801 $40 $19,341 $19,336 $5 
U.S. government and agencies5,170 5,168 2 5,759 5,759 
Mortgage backed and asset backed786 666 120 1,181 720 461 
Municipal1,176 1,104 72 1,317 1,317 
Sovereign1,040 1,038 2 1,076 1,076 
Other19 $18 1 55 $7 48 
Derivatives:
Assets6 6 
Liabilities(17)(17)(143)(143)
Cash equivalents and other short-term investments1,081 1,081 769 769 
Equity securities:
U.S. common and preferred stock5,013 5,013 4,866 4,866 
Non-U.S. common and preferred stock5,577 5,575 2 5,529 5,527 
Boeing company stock3,298 3,298 
Derivatives:
Assets10 10 
Liabilities(9)(9)(5)(5)
Private equity
Real estate and real assets:
Real estate351 351 454 454 
Real assets786 723 61 2 810 649 157 
Derivatives:
Assets6 6 
Liabilities(2)(2)(2)(2)
Total$45,132 $14,978 $29,914 $240 $41,018 $11,504 $29,042 $472 
Fixed income common/collective/pooled funds$2,345 $959 
Fixed income other604 512 
Equity common/collective pooled funds6,947 6,301 
Private equity4,013 3,184 
Real estate and real assets3,359 3,605 
Hedge funds5,745 5,688 
Total investments measured at NAV as a practical expedient$23,013 $20,249 
Cash$267 $207 
Receivables992 383 
Payables(708)(146)   
Total$68,696 $61,711 
112
 December 31, 2017December 31, 2016
 Total
Level 1
Level 2
Level 3
Total
Level 1
Level 2
Level 3
Fixed income securities:        
Corporate
$19,603


$19,591

$12

$16,730


$16,723

$7
U.S. government and agencies5,430

5,430

4,876

4,875
1
Mortgage backed and asset backed760

460
300
706

370
336
Municipal1,355


1,355


1,398
 1,398

Sovereign1,237


1,237


782
 782
 
Other118

$59
59


74

$9
65

Derivatives:
   
   
Assets49

49

40

40

Liabilities(25)
(25)
(38)
(38)
Cash equivalents and other short-term investments1,778


1,778

1,037


1,037

Equity securities:
   
   
U.S. common and preferred stock4,615
4,615


5,374
5,373

1
Non-U.S. common and preferred stock6,204
6,204



5,746
5,746



Derivatives:
   
   
Assets4
1
3

6

6

Liabilities(4)

(4)
(8)

(8)
Private equity 














Real estate and real assets:

   

   
Real estate462
462




468
468




Real assets705
449
253
3
672
372
295
5
Derivatives:

   

   
Assets17

17


4


4


Liabilities(3)
(3)

(1)

(1)

Total
$42,305

$11,790

$30,200

$315

$37,866

$11,968

$25,548

$350
         
Fixed income common/collective/pooled funds
$1,257
   
$1,625
   
Fixed income other303
   227
   
Equity common/collective pooled funds6,786
   4,962
   
Private equity2,767
   2,639
   
Real estate and real assets3,744
   3,625
   
Hedge funds6,440
   5,441
   
Total investments measured at NAV as a practical expedient
$21,297
   
$18,519
   
         
Cash
$170
   
$160
   
Receivables436
   374
   
Payables(197)   (227)   
Total
$64,011
   
$56,692
   


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Fixed income securities are primarily valued upon a market approach, using matrix pricing and considering a security’s relationship to other securities for which quoted prices in an active market may be available, or an income approach, converting future cash flows to a single present value amount. Inputs used in developing fair value estimates include reported trades, broker quotes, benchmark yields, and base spreads.
Common/collective/pooled funds are typically common or collective trusts valued at their NAVsnet asset values (NAVs) that are calculated by the investment manager or sponsor of the fund and have daily or monthly liquidity. Derivatives included in the table above are over-the-counter and are primarily valued using an income approach with inputs that include benchmark yields, swap curves, cash flow analysis, rating agency data and interdealer broker rates. Exchange-traded derivative positions are reported in accordance with changes in daily variation margin which is settled daily and therefore reflected in the payables and receivables portion of the table.
Cash equivalents and other short-term investments (which are used to pay benefits) are held in a separate account which consists of a commingled fund (with daily liquidity) and separately held short-term securities and cash equivalents. All of the investments in this cash vehicle are valued daily using a market approach with inputs that include quoted market prices for similar instruments. In the event a market price is not available for instruments with an original maturity of one year or less, amortized cost is used as a proxy for fair value. Common and preferred stock equity securities are primarily valued using a market approach based on the quoted market prices of identical instruments.
Private equity and private debt NAV valuations are based on the valuation of the underlying investments, which include inputs such as cost, operating results, discounted future cash flows and market based comparable data. For those investments reported on a one-quarter lagged basis (primarily LPs) we use NAVs, adjusted for subsequent cash flows and significant events.
Real estate and real asset NAV valuations are based on valuation of the underlying investments, which include inputs such as cost, discounted future cash flows, independent appraisals and market based comparable data. For those investments reported on a one-quarter lagged basis (primarily LPs) NAVs are adjusted for subsequent cash flows and significant events. Publicly traded REITs and infrastructure stocks are valued using a market approach based on quoted market prices of identical instruments. Exchange-traded commodities futures positions are reported in accordance with changes in daily variation margin which is settled daily and therefore reflected in the payables and receivables portion of the table.
Hedge fund NAVs are generally based on the valuation of the underlying investments. This is primarily done by applying a market or income valuation methodology depending on the specific type of security or instrument held.
Investments in private equity, private debt, real estate, real assets, and hedge funds are primarily calculated and reported by the General Partner (GP), fund manager or third party administrator. Additionally, some investments in fixed income and equity are made via commingled vehicles and are valued in a similar fashion. Pension assets invested in commingled and limited partnership structures rely on the NAV of these investments as the practical expedient for the valuations.


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The following tables present a reconciliation of Level 3 assets (excluding investments which are valued using NAVs as a practical expedient) held during the years ended December 31, 20172020 and 2016.2019. Transfers into and out of Level 3 are reported at the beginning-of-year values.
January 1
2020 Balance
Net Realized and Unrealized Gains/(Losses)Net Purchases, Issuances and SettlementsNet Transfers Into/(Out of) Level 3December 31
2020 Balance
Fixed income securities:
Corporate$5 $1 $18 $16 $40 
 U.S. government and
agencies
2 2 
Mortgage backed and
   asset backed
461 (1)(93)(247)120 
Municipal3 2 67 72 
Sovereign(1)2 1 2 
Equity securities:
Non-U.S. common and
preferred stock
2 2 
Real assets4 0(2)2 
Total$472 $2 ($71)($163)$240 
January 1
2017 Balance

 Net Realized and Unrealized Gains/(Losses)
 Net Purchases, Issuances and Settlements
 Net Transfers Out of Level 3
 December 31
2017 Balance

January 1
2019 Balance
Net Realized and Unrealized GainsNet Purchases, Issuances and SettlementsNet Transfers Into Level 3December 31
2019 Balance
Fixed income securities:         Fixed income securities:
Corporate (1)

$12
   
$1
 
($1) 
$12
U.S. government and agencies1
 

 

 (1) 

Mortgage backed and asset backed (1)
331
 
$10
 (39) (2) 300
Corporate Corporate$2 $3 0$5 
Mortgage backed and asset backedMortgage backed and asset backed312 $11 137 $1 461 
Equity securities:        

Equity securities:
U.S. common and preferred stock1
 (1) 

 

 

Non-U.S. common and preferred stockNon-U.S. common and preferred stock
Real assets5
 

 (2) 

 3
Real assets0
Total
$350
 
$9
 
($40) 
($4) 
$315
Total$318 $11 $141 $2 $472 
 January 1
2016 Balance

 Net Realized and Unrealized Gains/(Losses)
 Net Purchases, Issuances and Settlements
 Net Transfers Out of Level 3
 December 31
2016 Balance

Fixed income securities:         
Corporate (1)

$11
 

 
($1) 
($3) 
$7
U.S. government and agencies1
       1
Mortgage backed and asset backed (1)
440
 
$7
 (93) (18) 336
Equity securities:        
U.S. common and preferred stock1
     
 1
Non-U.S. common and preferred stock2
   (2) 
 
Private equity3
 (3) 

   
Real assets6
 

 (1)   5
Total
$464
 
$4
 
($97) 
($21) 
$350
(1)
Certain fixed income securities were reclassified between mortgage backed and asset backed to corporate on January 1, 2017 and 2016.
TheFor the year ended December 31, 2020, the changes in unrealized gainsgains/(losses) for Level 3 assets still held at December 31, 2020 were $2 for corporate, $1 for mortgage backed and asset backed fixed income securities, $3 for municipal bonds and ($1) for sovereign.For the year ended December 31, 2019, the changes in unrealized gains/(losses) for Level 3 assets still held at December 31, 20172019 were $10 for mortgage backed and 2016 were $6asset backed fixed income securities and$4. ($1) for non-U.S. common and preferred stock equity securities.
OPB Plan Assets The majority of OPB plan assets are invested in a balanced index fund which is comprised of approximately 60% equities and 40% debt securities. The index fund is valued using a market approach based on the quoted market price of an identical instrument (Level 1). The expected rate of return on these assets does not have a material effect on the net periodic benefit cost.


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90


Cash Flows
Contributions Required pension contributions under the Employee Retirement Income Security Act (ERISA), as well as rules governing funding of our non-US pension plans, are not expected to be significant in 2018.2021. During the thirdfourth quarter of 2017,2020, we contributed $500 in cash and $3,500$3,000 in common stock.stock to the pension fund. We do not expect to make discretionary contributions to our pension plans in 2018.2021.
Estimated Future Benefit Payments The table below reflects the total pension benefits expected to be paid from the plans or from our assets, including both our share of the benefit cost and the participants’ share of the cost, which is funded by participant contributions. OPB payments reflect our portion only.
Year(s)2018
 2019
 2020
 2021
 2022
 2023-2027
Year(s)202120222023202420252026-2030
Pensions
$4,758
 
$4,712
 
$4,740
 
$4,703
 
$4,631
 
$22,770
Pensions$4,959 $4,825 $4,720 $4,657 $4,581 $21,383 
Other postretirement benefits:           Other postretirement benefits:
Gross benefits paid496
 507
 517
 520
 516
 2,364
Gross benefits paid462 452 435 415 394 1,606 
Subsidies(16) (16) (17) (17) (17) (87)Subsidies(32)(32)(32)(31)(30)(139)
Net other postretirement benefits
$480
 
$491
 
$500
 
$503
 
$499
 
$2,277
Net other postretirement benefits$430 $420 $403 $384 $364 $1,467 
Termination Provisions
Certain of the pension plans provide that, in the event there is a change in control of the Company which is not approved by the Board of Directors and the plans are terminated within five years thereafter, the assets in the plan first will be used to provide the level of retirement benefits required by ERISA, and then any surplus will be used to fund a trust to continue present and future payments under the postretirement medical and life insurance benefits in our group insurance benefit programs.
Should we terminate certain pension plans under conditions in which the plan’s assets exceed that plan’s obligations, the U.S. government will be entitled to a fair allocation of any of the plan’s assets based on plan contributions that were reimbursed under U.S. government contracts.
Defined Contribution Plans
We provide certain defined contribution plans to all eligible employees. The principal plans are the Company-sponsored 401(k) plans. The expense for these defined contribution plans was $1,522, $1,413$1,351, $1,533 and $768$1,480 in 2017, 20162020, 2019 and 2015,2018, respectively.
Note 1517 – Share-Based Compensation and Other Compensation Arrangements
Share-Based Compensation
Our 2003 Incentive Stock Plan, as amended and restated, permits awards of incentive and non-qualified stock options, stock appreciation rights, restricted stock or units, performance shares, performance restricted stock or units, performance units and other stock and cash-based awards to our employees, officers, directors, consultants, and independent contractors. The aggregate number of shares of our stock authorized for issuance under the plan is 87,000,000.
Shares issued as a result of stock option exercises or conversion of stock unit awards will be funded out of treasury shares, except to the extent there are insufficient treasury shares, in which case new shares will be issued. We believe we currently have adequate treasury shares to satisfy these issuances during 2018.

2021.

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Share-based plans expense is primarily included in Total costs and expenses and General and administrative expense, since it is incentive compensation issued primarilyas well as a portion allocated to our executives.production as inventoried costs. The share-based plans expense and related income tax benefit were as follows:
Years ended December 31,Years ended December 31,202020192018
Restricted stock units and other awardsRestricted stock units and other awards$243 $217 $213 
Years ended December 31,2017
 2016
 2015
Stock options

 
$4
 
$30
Restricted stock units and other awards212
 189
 160
Share-based plans expense
$212
 
$193
 
$190
Income tax benefit
$46
 
$69
 
$68
Income tax benefit$53 $47 $46 
Stock Options
We discontinued granting options in 2014, replacing them with performance-based restricted stock units. Options granted through January 2014 had an exercise price equal to the fair market value of our stock on the date of grant and expire ten10 years after the date of grant. The stock options vested over a period of three years and were fully vested atas of December 31, 2017.
Stock option activity for the year ended December 31, 20172020 is as follows:
SharesWeighted Average Exercise Price Per ShareWeighted Average Remaining Contractual Life (Years)Aggregate Intrinsic Value
Number of shares under option:
Outstanding at beginning of year2,375,583$74.79 
Exercised(515,063)71.47 
Outstanding at end of year1,860,520$75.71 1.65$257 
Exercisable at end of year1,860,520$75.71 1.65$257 
 Shares Weighted Average Exercise Price Per Share
 Weighted Average Remaining Contractual Life (Years) Aggregate Intrinsic Value
Number of shares under option:       
Outstanding at beginning of year8,646,612 
$72.64
    
Exercised(4,224,194) 73.61
    
Expired(5,200) 89.65
    
Outstanding at end of year4,417,218 
$71.69
 3.93 
$986
Exercisable at end of year4,417,218 
$71.69
 3.93 
$986
The total intrinsic value of options exercised during the years ended December 31, 2017, 20162020, 2019 and 20152018 was $491, $265$90, $279 and $385,$320, with a related tax benefit of $175, $94$32, $61 and $135,$70, respectively. The grant date fair value of stockNo options vested during the years ended December 31, 2017, 20162020, 2019 and 2015 was $0, $27 and $56, respectively.2018.
Restricted Stock Units
In February 2017, 20162020, 2019 and 2015,2018, we granted to our executives 523,835, 777,837325,108, 233,582 and 590,778260,730 restricted stock units (RSUs) as part of our long-term incentive program with grant date fair values of $178.72, $117.50$319.04, $428.22 and $154.64$361.13 per unit, respectively. In December 2020, we granted to our executives 721,734 RSUs as part of our long-term incentive program with a grant date fair value of $233.00 per unit. The RSUs granted under this program will vest and settle in common stock (on a one-for-one basis) on the third anniversary of the grant date. If an executive terminates employment because of retirement, involuntary layoff, disability, or death, the employee (or beneficiary) will receive a proration of stock units based on active employment during the three-year service period, except in the case of the December 2020 grant, which will vest in full for executives that terminate employment due to retirement after attaining certain age and service conditions. In all other cases, the RSUs will not vest and all rights to the stock units will terminate. These RSUs are labeled executive long-term incentive program in the table below.
In December 2020, we granted to our employees (excluding executives and certain union-represented employees), a one-time grant of 5,163,425 RSUs with a grant date fair value of $233.00 per unit. The RSUs granted under this program will vest and settle in common stock (on a one-for-one basis) on the third anniversary of the grant date. If an employee terminates employment because of retirement, layoff, disability, or death, the employee (or beneficiary) will receive a proration of stock units based on active
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employment during the three-year service period. In all other cases, the RSUs will not vest and all rights to the stock units will terminate. These RSUs are labeled employee long-term incentive program in the table below.
In addition to RSUs awarded under our long-term incentive program, we grant RSUs to certain executives and employees to encourage retention or to reward various achievements. These RSUs are labeled other RSUs in the table below. The fair values of all RSUs are estimated using the average of the high and low stock prices on the date of grant.


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RSU activity for the year ended December 31, 20172020 was as follows:
Long-Term Incentive Program
 Other
Executive Long-Term Incentive ProgramEmployee Long-Term Incentive ProgramOther
Number of units:   Number of units:
Outstanding at beginning of year1,814,644
 1,077,920
Outstanding at beginning of year905,025 908,321 
Granted570,538
 390,152
Granted1,103,608 5,163,425 196,818 
Dividends45,799
 30,477
Dividends7,091 7,303 
Forfeited(142,907) (40,670)Forfeited(104,374)(33,896)
Distributed(660,972) (301,417)Distributed(487,749)(329,227)
Outstanding at end of year1,627,102
 1,156,462
Outstanding at end of year1,423,601 5,163,425 749,319 
Unrecognized compensation cost
$98
 
$82
Unrecognized compensation cost$237 $973 $102 
Weighted average remaining contractual life (years)
1.8
 3.4
Weighted average remaining contractual life (years)
2.53.02.0
The number of vested but undistributed RSUs at December 31, 20172020 was not significant.
Performance-Based Restricted Stock Units
Performance-Based Restricted Stock Units (PBRSUs) are stock units that pay out based on the Company’s total shareholder return as compared to a group of peer companies over a three-year period. The award payout can range from 0% to 200% of the initial PBRSU grant, but will not exceed 400% of the initial value (excluding dividend equivalent credits).grant. The PBRSUs granted under this program will vest at the payout amount and settle in common stock (on a one-for-one basis) on the third anniversary of the grant date. If an executive terminates employment because of retirement, involuntary layoff, disability, or death, the employee (or beneficiary) remains eligible under the award and, if the award is earned, will receive a proration of stock units based on active employment during the three-year service period. In all other cases, the PBRSUs will not vest and all rights to the stock units will terminate.
In February 2017, 20162020, 2019 and 2015,2018, we granted to our executives 492,273, 721,176290,202, 214,651 and 556,203241,284 PBRSUs as part of our long-term incentive program. Compensation expense for the award is recognized over the three-year performance period based upon the grant date fair value. The grant date fair values were estimated using a Monte-Carlo simulation model with the assumptions presented below. The model includes no expected dividend yield as the units earn dividend equivalents.
Grant YearGrant DatePerformance PeriodExpected Volatility
Risk Free Interest Rate
Grant Date Fair Value
20172/27/20173 years21.37%1.46%190.17
20162/22/20163 years22.44%0.92%126.74
20152/23/20153 years20.35%1.03%164.26

Grant YearGrant DatePerformance PeriodExpected VolatilityRisk Free Interest RateGrant Date Fair Value
20202/24/20203 years27.04 %1.21 %$357.38 
20192/25/20193 years23.88 %2.46 %466.04 
20182/26/20183 years22.11 %2.36 %390.27 

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93


PBRSU activity for the year ended December 31, 20172020 was as follows:
Executive Long-Term Incentive Program
Number of units:
Outstanding at beginning of year1,746,511826,126 
Granted492,273290,202 
Performance based adjustment(1)
137,363293,203 
Dividends54,68327,299 
Forfeited(130,367(83,055))
Distributed(748,729)
Distributed(732,216)
Outstanding at end of year1,551,734621,559 
Unrecognized compensation cost
$93 
$90
Weighted average remaining contractual life (years)
1.8
(1)
Represents net incremental number of units issued at vesting based on TSR for units granted in 2014
Other Compensation Arrangements(1)Represents net incremental number of units issued at vesting based on TSR for units granted in 2017.
Performance Awards
During 2020, 2019 and 2018, we granted Performance Awards to our executives, which are cash units that pay out based on the achievement of long-term financial goals at the end of a three-year period. Each unit has an initial value of $100$100 dollars. The amount payable at the end of the three-yearthree-year performance period may be anywhere from $0$0 to $200$200 dollars per unit for the 2019 and 2018 Performance Awards and $0 to $150 dollars for 2020 Performance Awards, depending on the Company’s performance against plan for a three-year period. The Compensation Committee has the discretion to pay these awards in cash, stock, or a combination of both after the three-year performance period. Compensation expense, based on the estimated performance payout, is recognized ratably over the performance period.
During 2017, 2016 and 2015, we granted Performance Awards to our executives as part of our long-term incentive program with the payout based on the achievement of financial goals for each three-year period following the grant date. The minimum payout amount is $0$0 and the maximum amount we could be required to pay out for the 2017, 20162020, 2019 and 20152018 Performance Awards is $352, $318$274, $341 and $312,$331, respectively. The 2015 grant is expected to be paid out in cash in March 2018.
Deferred Compensation
The Company has deferred compensation plans which permit certain employees to defer a portion of their salary, bonus, certain other incentive awards, and retirement contributions. Participants can diversify these amounts among 2223 investment funds including a Boeing stock unit account.
Total expense related to deferred compensation was $240, $46$93, $174 and $63$19 in 2017, 20162020, 2019 and 2015,2018, respectively. As of December 31, 20172020 and 2016,2019, the deferred compensation liability which is being marked to market was $1,547$1,718 and $1,289.$1,779.


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Note 1618 – Shareholders’ Equity
On December 11, 2017,17, 2018, the Board approved a new repurchase plan for up to $18,000$20,000 of common stock, replacingstock. In March 2020, the previously authorized program. The program will expire when we have used all authorized funds or is otherwise terminated.Board of Directors terminated its prior authorization to repurchase shares under this plan.
As of December 31, 20172020 and 2016,2019, there were 1,200,000,000 shares of common stock and 20,000,000 shares of preferred stock authorized. No preferred stock has been issued.
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Changes in Share Balances
The following table shows changes in each class of shares:
 
Common
Stock

 
Treasury
Stock

Balance at January 1, 20151,012,261,159
 305,533,606
Issued  (7,288,113)
Acquired  47,391,861
Balance at December 31, 20151,012,261,159
 345,637,354
Issued  (6,376,868)
Acquired  55,849,082
Balance at December 31, 20161,012,261,159
 395,109,568
Issued  (20,746,426)
Acquired  46,859,184
Balance at December 31, 20171,012,261,159
 421,222,326


95


Common
Stock
Treasury
Stock
Balance at January 1, 20181,012,261,159 421,222,326 
Issued(3,409,330)
Acquired26,806,974 
Balance at December 31, 20181,012,261,159 444,619,970 
Issued(2,797,002)
Acquired7,529,437 
Balance at December 31, 20191,012,261,159 449,352,405 
Issued(19,986,868)
Acquired575,484 
Balance at December 31, 20201,012,261,159 429,941,021 
Accumulated Other Comprehensive Loss
Changes in Accumulated other comprehensive loss (AOCI) by component for the years ended December 31, 2017, 20162020, 2019 and 20152018 were as follows:
Currency Translation AdjustmentsUnrealized Gains and Losses on Certain InvestmentsUnrealized Gains and Losses on Derivative InstrumentsDefined Benefit Pension Plans & Other Postretirement Benefits
Total (1)
Balance at January 1, 2018($15)($2)$54 ($16,410)($16,373)
Other comprehensive (loss)/income before reclassifications(86)(146)747 517 
Amounts reclassified from AOCI30 743 (2)773 
Net current period Other comprehensive (loss)/income(86)(116)1,490 1,290 
Balance at December 31, 2018($101)$0 ($62)($14,920)($15,083)
Other comprehensive income/(loss) before reclassifications(27)(48)(1,397)(1,471)
Amounts reclassified from AOCI26 375 (2)401 
Net current period Other comprehensive (loss)/income(27)(22)(1,022)(1,070)
Balance at December 31, 2019($128)$1 ($84)($15,942)($16,153)
Other comprehensive (loss)/income before reclassifications98 014 (1,929)(1,817)
Amounts reclassified from AOCI0027 810 (2)837 
Net current period Other comprehensive (loss)/income98 0041 (1,119)(980)
Balance at December 31, 2020($30)$1 ($43)($17,061)($17,133)
(1)    Net of tax.
(2)    Primarily relates to amortization of actuarial losses for the years ended December 31, 2020, 2019, and 2018 totaling $917, $464, and $878 (net of tax of ($52), ($133), and ($242)), respectively. These are included in the net periodic pension cost. See Note 16.
119
 Currency Translation Adjustments
 Unrealized Gains and Losses on Certain Investments
 Unrealized Gains and Losses on Derivative Instruments
 Defined Benefit Pension Plans & Other Postretirement Benefits
 
Total (1)

Balance at January 1, 2015
$53
 
($8) 
($136) 
($13,812) 
($13,903)
Other comprehensive (loss)/income before reclassifications(92) 8
 (140) 173
 (51)
Amounts reclassified from AOCI
 
 79
 1,127
(2) 
1,206
Net current period Other comprehensive (loss)/income(92) 8
 (61) 1,300
 1,155
Balance at December 31, 2015
($39) 
$—
 
($197) 
($12,512) 
($12,748)
Other comprehensive loss before reclassifications(104) (2) (8) (1,320) (1,434)
Amounts reclassified from AOCI
 
 78
 481
(2) 
559
Net current period Other comprehensive (loss)/income(104) (2) 70
 (839) (875)
Balance at December 31, 2016
($143) 
($2) 
($127) 
($13,351) 
($13,623)
Other comprehensive income/(loss) before reclassifications128
 1
 119
 (478) (230)
Amounts reclassified from AOCI

 

 52
 425
(2) 
477
Net current period Other comprehensive income/(loss)128
 1
 171
 (53) 247
Balance at December 31, 2017
($15) 
($1) 
$44
 
($13,404) 
($13,376)
Net of tax.
(2)
Primarily relates to amortization of actuarial losses for the years ended December 31, 2017, 2016, and 2015 totaling $542, $524, and $1,038 (net of tax of ($272), ($288), and ($570)), respectively. These are included in the net periodic pension cost of which a portion is allocated to production as inventoried costs. See Note 14.
Note 1719 – Derivative Financial Instruments
Cash Flow Hedges
Our cash flow hedges include foreign currency forward contracts, commodity swaps and commodity purchase contracts. We use foreign currency forward contracts to manage currency risk associated with certain transactions, specifically forecasted sales and purchases made in foreign currencies. Our foreign currency contracts hedge forecasted transactions through 2024.2025. We use commodity derivatives, such as fixed-price purchase commitments and swaps to hedge against potentially unfavorable price changes for items used in production. Our commodity contracts hedge forecasted transactions through 2021.2029.
Fair Value Hedges
Interest rate swaps under which we agreeWe continue to pay variable rates of interest are designated as fair value hedges of fixed-rate debt. The net change in fair valuemonitor the effects of the derivatives andCOVID-19 pandemic on our cash flow hedges, including reductions in our forecasted purchases of certain commodities. As of December 31, 2020, the hedged items is reported in Boeing Capital interest expense.


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the COVID-19 pandemic on our cash flow hedges was not significant.
Derivative Instruments Not Receiving Hedge Accounting Treatment
We have entered into agreements to purchase and sell aluminum to address long-term strategic sourcing objectives and non-U.S. business requirements. These agreements are derivative instruments for accounting purposes. The quantities of aluminum in these agreements offset and are priced at prevailing market prices. We also hold certain foreign currency forward contracts and commodity swaps which do not qualify for hedge accounting treatment.
Notional Amounts and Fair Values
The notional amounts and fair values of derivative instruments in the Consolidated Statements of Financial Position as of December 31 were as follows:
Notional
 amounts(1)
Other assetsAccrued
liabilities
202020192020201920202019
Derivatives designated as hedging instruments:
Foreign exchange contracts$2,594 $2,590 $81 $29 ($24)($60)
Commodity contracts404 645 4 (43)(72)
Derivatives not receiving hedge accounting treatment:
Foreign exchange contracts769 285 22 (16)(6)
Commodity contracts904 1,644 (17)
Total derivatives$4,671 $5,164 107 34 (100)(138)
Netting arrangements(31)(20)31 20 
Net recorded balance$76 $14 ($69)($118)
(1)Notional amounts represent the gross contract/notional amount of the derivatives outstanding.
Gains/(losses) associated with our hedging transactions and forward points recognized in Other comprehensive income are presented in the following table:
Years ended December 31,20202019
Recognized in Other comprehensive income, net of taxes:
Foreign exchange contracts$44 $15 
Commodity contracts(30)(63)
120

 
Notional
  amounts(1)
Other assets
Accrued
liabilities
 2017
 2016
2017
 2016
2017
 2016
Derivatives designated as hedging instruments:         
Foreign exchange contracts
$2,930
 
$2,584

$131
 
$34

($63) 
($225)
Interest rate contracts125
 125
3
 6
   
Commodity contracts56
 53
4
 7
(6) (5)
Derivatives not receiving hedge accounting treatment:         
Foreign exchange contracts406
 465
16
 21
(5) (17)
Commodity contracts563
 648
     
Total derivatives
$4,080
 
$3,875
154
 68
(74) (247)
Netting arrangements   (61) (45)61
 45
Net recorded balance   
$93
 
$23

($13)

($202)
(1)
Notional amounts represent the gross contract/notional amount of the derivatives outstanding.
Gains/(losses) associated with our cash flow and undesignated hedging transactions and their effectforward points reclassified from AOCI to earnings are presented in the following table:
Years ended December 31,20202019
Foreign exchange contracts
Revenues($3)0
Costs and expenses(14)($26)
General and administrative(6)(9)
Commodity contracts
Costs and expenses($10)$1 
General and administrative expense(1)
Gains/(losses) related to undesignated derivatives on foreign exchange and commodity cash flow hedging transactions recognized in Other comprehensive income/(loss)income, net were insignificant for the years ended December 31, 2020 and Net earnings were as follows:December 31, 2019.
Years ended December 31,2017
 2016
Effective portion recognized in Other comprehensive income/(loss), net of taxes:   
Foreign exchange contracts
$123
 
($9)
Commodity contracts(4) 1
Effective portion reclassified out of Accumulated other comprehensive loss into earnings, net of taxes:   
Foreign exchange contracts(50) (70)
Commodity contracts(2) (8)
Forward points recognized in Other income, net:   
Foreign exchange contracts8
 13
Undesignated derivatives recognized in Other income, net:   
Foreign exchange contracts8
 (2)
Based on our portfolio of cash flow hedges, we expect to reclassify lossesgains of $12$2 (pre-tax) out of Accumulated other comprehensive loss into earnings during the next 12 months. Ineffectiveness related to our hedges recognized in Other income was insignificant for the years ended December 31, 2017 and 2016.


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We have derivative instruments with credit-risk-related contingent features. For foreign exchange contracts with original maturities of at least five years, our derivative counterparties could require settlement if we default on our five-year credit facility. For certain commodity contracts, our counterparties could require collateral posted in an amount determined by our credit ratings. The fair value of foreign exchange and commodity contracts that have credit-risk-related contingent features that are in a net liability position at December 31, 20172020 was $13.$3. At December 31, 2017,2020, there was no collateral posted related to our derivatives.
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Note 18 – Significant Group Concentrations of Risk
Credit Risk
Financial instruments involving potential credit risk are predominantly with commercial aircraft customers and the U.S. government. Of the $13,639 in gross accounts receivable and gross customer financing included in the Consolidated Statements of Financial Position as of December 31, 2017, $5,572 related predominantly to commercial aircraft customers ($2,512 of accounts receivable and $3,060 of customer financing) and $5,989 related to the U.S. government.
Of the $3,061 in gross customer financing, $1,828 related to customers we believe have less than investment-grade credit including Silk Way, American, and Hawaiian Airlines who were associated with 14%, 8%, and 7%, respectively, of our financing portfolio. Financing for aircraft is collateralized by security in the related asset and in some instances security in other assets as well.
Other Risk
As of December 31, 2017, approximately 37% of our total workforce was represented by collective bargaining agreements.
Note 1920 – Fair Value Measurements
The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value. Level 1 refers to fair values determined based on quoted prices in active markets for identical assets. Level 2 refers to fair values estimated using significant other observable inputs, and Level 3 includes fair values estimated using significant unobservable inputs. The following table presents our assets and liabilities that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy.
 December 31, 2017December 31, 2016
 Total
Level 1
Level 2
Total
Level 1
Level 2
Assets      
Money market funds
$1,582

$1,582
 
$2,858

$2,858
 
Available-for-sale investments:      
Commercial paper70
 70
162
 162
Corporate notes382
 382
271
 271
U.S. government agencies47
 47
63
 63
Other18
18
 46
46
 
Derivatives93
 93
23
 
$23
Total assets
$2,192

$1,600

$592

$3,423

$2,904

$519
       
Liabilities      
Derivatives
($13) 
($13)
($202) 
($202)
Total liabilities
($13) 
($13)
($202) 
($202)


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December 31, 2020December 31, 2019
TotalLevel 1Level 2TotalLevel 1Level 2
Assets
Money market funds$2,230 $2,230 $2,562 $2,562 
Available-for-sale debt investments:
Commercial paper149 $149 108 $108 
Corporate notes333 333 242 242 
U.S. government agencies114 114 55 55 
Other equity investments54 54 33 33 
Derivatives76 76 14 $14 
Total assets$2,956 $2,284 $672 $3,014 $2,650 $364 
Liabilities
Derivatives($69)($69)($118)($118)
Total liabilities($69)($69)($118)($118)
Money market funds, available-for-sale debt investments and equity securities are valued using a market approach based on the quoted market prices or broker/dealer quotes of identical or comparable instruments.
Derivatives include foreign currency commodity and interest ratecommodity contracts. Our foreign currency forward contracts are valued using an income approach based on the present value of the forward rate less the contract rate multiplied by the notional amount. Commodity derivatives are valued using an income approach based on the present value of the commodity index prices less the contract rate multiplied by the notional amount. The fair value of our interest rate swaps is derived from a discounted cash flow analysis based on the terms of the contract and the interest rate curve.
Certain assets have been measured at fair value on a nonrecurring basis using significant unobservable inputs (Level 3). The following table presents the nonrecurring losses recognized for the years ended December 31 due to long-lived asset impairment, and the fair value and asset classification of the related assets as of the impairment date:
20202019
Fair ValueTotal LossesFair ValueTotal Losses
Investments$22 ($81)$27 ($109)
Customer financing assets105 (24)$111 (20)
Other assets and Acquired intangible assets298 (221)(310)
Property, plant and equipment79 (84)41 (4)
Total$504 ($410)$183 ($443)
122

 2017 2016
 Fair Value
 Total Losses
 Fair Value
 Total Losses
Investments
$1
 
($44) 

 

Operating lease equipment90
 (32) 
$84
 
($52)
Other assets and Acquired intangible assets14
 (23) 12
 (10)
Property, plant and equipment8
 (2) 10
 (9)
Total
$113
 
($101) 
$106
 
($71)
Investments, Acquired intangible assets and Property, plant and equipment, Other assets and Acquired intangible assets were primarily valued using an income approach based on the discounted cash flows associated with the underlying assets. The fair value of the impaired customer financing assets includes operating lease equipment and investments in sales type-leases/finance leases, and is derived by calculating a median collateral value from a consistent group of third party aircraft value publications. The values provided by the third party aircraft publications are derived from their knowledge of market trades and other market factors. Management reviews the publications quarterly to assess the continued appropriateness and consistency with market trends. Under certain circumstances, we adjust values based on the attributes and condition of the specific aircraft or equipment, usually when the features or use of the aircraft vary significantly from the more generic aircraft attributes covered by third party publications, or on the expected net sales price for the aircraft.


99


For Level 3 assets that were measured at fair value on a nonrecurring basis during the year ended December 31, 2017,2020, the following table presents the fair value of those assets as of the measurement date, valuation techniques and related unobservable inputs of those assets.
Fair

Value
Valuation

Technique(s)
Unobservable Input
Range

Median or Average
Customer financing assets$105Market approachAircraft value publications
$85 - $169(1)
Median $116
Operating lease equipment$90Market approachAircraft value publications
$140 - $191(1)
Median $167
Aircraft condition adjustments
($77)14) - $0$3(2)
Net ($77)11)
(1)
(1)The range represents the sum of the highest and lowest values for all aircraft subject to fair value measurement, according to the third party aircraft valuation publications that we use in our valuation process.
(2)The negative amount represents the sum, for all aircraft subject to fair value measurement, of all downward adjustments based on consideration of individual aircraft attributes and condition. The positive amount represents the sum of all such upward adjustments.
The range represents the sum of the highest and lowest values for all aircraft subject to fair value measurement, according to the third party aircraft valuation publications that we use in our valuation process.
(2)
The negative amount represents the sum, for all aircraft subject to fair value measurement, of all downward adjustments based on consideration of individual aircraft attributes and condition. The positive amount represents the sum of all such upward adjustments.
Fair Value Disclosures
The fair values and related carrying values of financial instruments that are not required to be remeasured at fair value on the Consolidated Statements of Financial Position at December 31 were as follows:
December 31, 2020
Carrying AmountTotal Fair ValueLevel 1Level 2Level 3
Assets
Notes receivable, net$420 $488 $488 
Liabilities
Debt, excluding finance lease obligations(63,380)(72,357)(72,342)($15)
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 December 31, 2017
 Carrying Amount
 Total Fair Value
 Level 1 Level 2
 Level 3
Assets         
Notes receivable, net
$677
 
$682
   
$682
  
Liabilities         
Debt, excluding capital lease obligations and commercial paper(10,380) (11,923)   (11,823) 
($100)
December 31, 2016December 31, 2019
Carrying Amount
 Total Fair Value
 Level 1 Level 2
 Level 3
Carrying AmountTotal Fair ValueLevel 1Level 2Level 3
Assets       Assets
Notes receivable, net
$807
 
$803
 
$803
  Notes receivable, net$443 $444 $444 
Liabilities       Liabilities
Debt, excluding capital lease obligations(9,815) (11,209) (11,078) 
($131)
Debt, excluding finance lease obligations and commercial paperDebt, excluding finance lease obligations and commercial paper(20,964)(23,119)(23,081)($38)
The fair values of notes receivable are estimated with discounted cash flow analysis using interest rates currently offered on loans with similar terms to borrowers of similar credit quality. The fair value of our debt that is traded in the secondary market is classified as Level 2 and is based on current market yields. For our debt that is not traded in the secondary market, the fair value is classified as Level 2 and is based on our indicative borrowing cost derived from dealer quotes or discounted cash flows. The fair values of our debt classified as Level 3 are based on discounted cash flow models using the implied yield from similar securities. With regard to other financial instruments with off-balance sheet risk, it is not practicable to estimate the fair value of our indemnifications and financing commitments because the amount and timing of those arrangements are uncertain. Items not included in the above disclosures include cash, restricted cash, time deposits and other deposits, commercial paper, money market funds, Accounts receivable, Unbilled receivables, Other current assets, Accounts payable and long-term payables. The carrying values of those items, as reflected in the


100


Consolidated Statements of Financial Position, approximate their fair value at December 31, 20172020 and 2016.2019. The fair value of assets and liabilities whose carrying value approximates fair value is determined using Level 2 inputs, with the exception of cash (Level 1).
Note 2021 – Legal Proceedings
Various legal proceedings, claims and investigations related to products, contracts, employment and other matters are pending against us.
In addition, we are subject to various U.S. government inquiries and investigations from which civil, criminal or administrative proceedings could result or have resulted in the past. Such proceedings involve or could involve claims by the government for fines, penalties, compensatory and treble damages, restitution and/or forfeitures. Under government regulations, a company, or one or more of its operating divisions or subdivisions, can also be suspended or debarred from government contracts, or lose its export privileges, based on the results of investigations. WeExcept as described below, we believe, based upon current information, that the outcome of any such legal proceeding, claim, or government dispute and investigation will not have a material effect on our financial position, results of operations, or cash flows. Where it is reasonably possible that we will incur losses in excess of recorded amounts in connection with any of the matters set forth below, we will disclose either the amount or range of reasonably possible losses in excess of such amounts or, where no such amount or range can be reasonably estimated, the reasons why no such estimate can be made.
Multiple legal actions have been filed against us as a result of the October 29, 2018 accident of Lion Air Flight 610 and the March 10, 2019 accident of Ethiopian Airlines Flight 302. Further, we are subject to, and cooperating with ongoing governmental and regulatory investigations and inquiries relating to the accidents and the 737 MAX, including an investigation by the Securities and Exchange Commission, the outcome of which may be material. Other than with respect to the agreement described below with the U.S. Department of Justice, we cannot reasonably estimate a range of loss, if any, not covered by available insurance that may result given the current status of the pending lawsuits, investigations, and inquiries related to the 737 MAX.
124

On January 6, 2021, we entered into a Deferred Prosecution Agreement with the U.S. Department of Justice that resolves the Department of Justice’s previously disclosed investigation into us regarding the evaluation of the 737 MAX airplane by the Federal Aviation Administration. Under the terms of the Deferred Prosecution Agreement, we agreed to the filing of a criminal information charging the Company with one count of conspiracy to defraud the United States, based on the conduct of two former 737 MAX program technical pilots; the criminal information will be dismissed after three years, provided that we comply with our obligations under the agreement. The Deferred Prosecution Agreement requires that we make payments totaling $2.51 billion, which consist of (a) a $243.6 million criminal monetary penalty; (b) $500 million in additional compensation to the heirs and/or beneficiaries of those who died in the Lion Air Flight 610 and Ethiopian Airlines Flight 302 accidents; and (c) $1.77 billion to the Company’s airline customers for harm incurred as a result of the grounding of the 737 MAX, offset in part by payments already made and the remainder satisfied through payments to be made prior to the termination of the Deferred Prosecution Agreement. The agreement also requires that we review our compliance program and undertake continuous improvement efforts with respect to it, and implement enhanced compliance reporting and internal controls mechanisms. Of the payments described above, $1.77 billion has been included in amounts reserved in prior quarters for 737 MAX customer considerations. We incurred earnings charges equal to the remaining $743.6 million in the fourth quarter of 2020 related to this agreement.
During 2019, we entered into agreements with Embraer S.A. (Embraer) to establish joint ventures that included the commercial aircraft and services operations of Embraer, of which we were expected to acquire an 80 percent ownership stake for $4,200, as well as a joint venture to promote and develop new markets for the C-390 Millennium. In 2020, we exercised our contractual right to terminate these agreements based on Embraer’s failure to meet certain required closing conditions. Embraer has disputed our right to terminate the agreements, and the dispute is currently in arbitration. We cannot reasonably estimate a range of loss, if any, that may result from the arbitration.
Note 2122 – Segment and Revenue Information
Effective July 1, 2017, we nowat the beginning of 2020, certain programs were realigned between our BDS segment and Unallocated items, eliminations and other. Business segment data for 2019 and 2018 has been adjusted to reflect the realignment.
Our primary profitability measurements to review a segment’s operating results are Earnings/(loss) from operations and operating margins. We operate in four4 reportable segments: BCA, BDS, BGS, and BCC. The new segment, BGS, brings together the Commercial Aviation Services businesses, previously included in the BCA segment, and certain BDS businesses (primarily those previously included in the Global Services & Support segment). All other activities fall within Unallocated items, eliminations and other. See page 5167 for the Summary of Business Segment Data, which is an integral part of this note. Prior year numbers have been revised to conform to the current segment presentation.

BCA develops, produces and markets commercial jet aircraft principally to the commercial airline industry worldwide. Revenue on commercial aircraft contracts is recognized at the point in time when an aircraft is completed and accepted by the customer.
BDS is engagedengages in the research, development, production and modification of the following products and related services: manned and unmanned military aircraft and weapons systems, surveillance and engagement, strategic defense and intelligence systems, satellite systems and space exploration. BDS revenue is generally recognized over the contract term (over time) as costs are incurred.
BGS provides parts, maintenance, modifications, logistics support, training, data analytics and information-based services to commercial and government customers worldwide. BGS segment revenue and costs include certain products and services provided to other segments. Revenue on commercial spare parts contracts is recognized at the point in time when a spare part is delivered to the customer. Revenue on other contracts is generally recognized over the contract term (over time) as costs are incurred.
125

BCC facilitates, arranges, structures and provides selective financing solutions for our Boeing customers.
While our principal operations are in the United States, Canada and Australia, some key suppliers and subcontractors are located in Europe and Japan. Revenues, including foreign military sales, are reported by customer location and consisted of the following:
Years ended December 31,202020192018
Europe$7,961 $10,366 $12,976 
Asia, other than China4,128 10,662 12,141 
Middle East5,308 9,272 9,745 
China1,803 5,684 13,764 
Canada1,302 2,019 2,583 
Oceania832 2,006 2,298 
Africa114 1,113 1,486 
Latin America, Caribbean and other229 1,015 1,458 
Total non-U.S. revenues21,677 42,137 56,451 
United States36,979 42,681 44,676 
Estimated potential concessions and other considerations to 737 MAX customers, net(1)
(498)(8,259)
Total revenues$58,158 $76,559 $101,127 
(1)Net of insurance recoveries
Revenues from the U.S. government (including foreign military sales through the U.S. government), primarily recorded at BDS and BGS, represented 51%, 39%, and 31% of consolidated revenues for 2020, 2019, and 2018, respectively. Approximately 4% of operating assets were located outside the United States as of December 31, 2020 and 2019.
The following tables present BCA, BDS and BGS revenues from contracts with customers disaggregated in a number of ways, such as geographic location, contract type and the method of revenue recognition. We believe these best depict how the nature, amount, timing and uncertainty of our revenues and cash flows are affected by economic factors.
126

BCA revenues by customer location consisted of the following:
Years ended December 31,
202020192018
Revenue from contracts with customers:
Europe$3,872 $5,829 $9,719 
Middle East1,647 5,761 5,876 
Asia, other than China1,408 7,395 8,274 
China1,271 5,051 13,068 
Other513 3,450 5,185 
Total non-U.S. revenues8,711 27,486 42,122 
United States7,899 12,676 15,347 
Estimated potential concessions and other considerations to 737 MAX customers, net(1)
(498)(8,259)0
Total revenues from contracts with customers16,112 31,903 57,469 
Intersegment revenues, eliminated on consolidation50 352 30 
Total segment revenues$16,162 $32,255 $57,499 
Revenue recognized on fixed-price contracts100 %100 %100 %
Revenue recognized at a point in time100 %100 %100 %
(1)Net of insurance recoveries
BDS revenues on contracts with customers, based on the customer's location, consisted of the following:
Years ended December 31,
202020192018
Revenue from contracts with customers:
U.S. customers$19,662 $19,465 $19,488 
Non-U.S. customers(1)
6,595 6,630 6,812 
Total segment revenue from contracts with customers$26,257 $26,095 $26,300 
Revenue recognized over time98 %98 %98 %
Revenue recognized on fixed-price contracts69 %70 %70 %
Revenue from the U.S. government(1)
89 %89 %88 %
(1)Includes revenues earned from foreign military sales through the U.S. government.
127

BGS revenues consisted of the following:
Years ended December 31,202020192018
Revenue from contracts with customers:
Commercial$6,936 $10,167 $9,227 
Government8,368 8,107 7,658 
Total revenues from contracts with customers15,304 18,274 16,885 
Intersegment revenues eliminated on consolidation239 194 171 
Total segment revenues$15,543 $18,468 $17,056 
Revenue recognized at a point in time47 %55 %54 %
Revenue recognized on fixed-price contracts87 %90 %90 %
Revenue from the U.S. government(1)
41 %34 %36 %
(1)Includes revenues earned from foreign military sales through the U.S. government.
Earnings in Equity Method Investments
We recorded Earnings from operations associated with our equity method investments of $86, $90 and $167, primarily in our BDS segment, for the years ended December 31, 2020, 2019 and 2018, respectively.
Backlog
Our total backlog represents the estimated transaction prices on performance obligations to our customers for which work remains to be performed. Backlog is converted into revenue in future periods as work is performed, primarily based on the cost incurred or at delivery and acceptance of products, depending on the applicable accounting method.
Our backlog at December 31, 2020 was $363,404. We expect approximately 20% to be converted to revenue through 2021 and approximately 66% through 2024, with the remainder thereafter. There is significant uncertainty regarding the timing of when backlog will convert into revenue due to the 737 MAX grounding in non-U.S. jurisdictions, entry into service of the 777X, 737 MAX 7 and/or 737 MAX 10, and COVID-19 impacts.

128

Unallocated Items, Eliminations and other
Unallocated items, eliminations and other include common internal services that support Boeing’s global business operations, intercompany guarantees provided to BCC and eliminations of certain sales between segments. Such sales include airplanes accounted for as operating leases and considered transferred to the BCC segment. We generally allocate costs to business segments based on the U.S. federal cost accounting standards. Components of Unallocated items, eliminations and other are shown in the following table.

Years ended December 31,202020192018
Share-based plans($120)($65)($76)
Deferred compensation(93)(174)(19)
Amortization of previously capitalized interest(95)(89)(92)
Research and development expense, net(240)(401)(144)
Customer financing impairment(250)
Litigation(109)(148)
Eliminations and other unallocated items(1,807)(985)(998)
Unallocated items, eliminations and other($2,355)($2,073)($1,477)
Pension FAS/CAS service cost adjustment$1,024 $1,071 $1,005 
Postretirement FAS/CAS service cost adjustment359 344 322 
FAS/CAS service cost adjustment$1,383 $1,415 $1,327 
Pension and Other Postretirement Benefit Expense
Pension costs, comprising GAAP service and prior service costs, are allocated to BCA and the commercial operations at BGS. Pension costs are allocated to BDS and BGS businesses supporting government customers using U.S. Government Cost Accounting Standards (CAS), which employ different actuarial assumptions and accounting conventions than GAAP. These costs are allocable to government contracts. Other postretirement benefit costs are allocated to business segments based on CAS, which is generally based on benefits paid. FAS/CAS service cost adjustment represents the difference between the Financial Accounting Standards (FAS) pension and postretirement service costs calculated under GAAP and costs allocated to the business segments. Non-operating pension and postretirement expenses represent the components of net periodic benefit costs other than service cost. These expenses are included in Other income, net.

129
101


Assets
Revenues, including foreign military sales,Segment assets are reported by customer locationsummarized in the table below.
December 31,20202019
Commercial Airplanes$77,973 $73,995 
Defense, Space & Security14,256 15,757 
Global Services17,399 18,605 
Boeing Capital1,978 2,269 
Unallocated items, eliminations and other40,530 22,999 
Total$152,136 $133,625 
Assets included in Unallocated items, eliminations and other primarily consist of Cash and cash equivalents, Short-term and other investments, tax assets, capitalized interest, assets managed centrally on behalf of the following:
Years ended December 31,2017
 2016
 2015
Asia, other than China
$8,899
 
$10,553
 
$13,433
Europe11,457
 13,790
 12,248
China11,911
 10,312
 12,556
Middle East12,287
 13,297
 10,846
Oceania2,061
 1,843
 2,601
Canada2,197
 2,076
 1,870
Africa755
 1,999
 1,398
Latin America, Caribbean and other1,494
 1,936
 1,875
Total non-U.S. revenues51,061
 55,806
 56,827
United States42,331
 38,765
 39,287
Total revenues
$93,392
 
$94,571
 
$96,114
Revenues from the U.S. government (including foreign military sales through the U.S. government), primarily recorded at BDSfour principal business segments and BGS, represented 31%, 23% and 27% of consolidated revenues for 2017, 2016 and 2015, respectively. Approximately 5% and 4% of operating assets were located outside the United States as of intercompany eliminations. From December 31, 20172019 to December 31, 2020, assets in BCA increased primarily due to higher inventory balances and 2016. The informationassets in Unallocated items, eliminations, and other increased due to higher cash and short-term investment balances from debt issued throughout 2020.
Capital Expenditures
Years ended December 31,202020192018
Commercial Airplanes$322 $433 $604 
Defense, Space & Security172 189 201 
Global Services127 218 231 
Unallocated items, eliminations and other682 994 686 
Total$1,303 $1,834 $1,722 
Capital expenditures for Unallocated items, eliminations and other relate primarily to assets managed centrally on behalf of the following tables is derived directly from the segments’ internal financial reporting used for corporate management purposes.four principal business segments.
Depreciation and Amortization
Years ended December 31,202020192018
Commercial Airplanes$559 $580 $565 
Defense, Space & Security
251 256 270 
Global Services408 424 348 
Boeing Capital Corporation66 64 58 
Centrally Managed Assets (1)
962 947 873 
Total$2,246 $2,271 $2,114 
(1)Amounts shown in the table represent depreciation and amortization expense recorded by the individual business segments. Depreciation and amortization for centrally managed assets are included in segment operating earnings based on usage and occupancy. In 2020, $689 was included in the primary business segments, of which $397, $236, and $56 was included in BCA, BDS and BGS, respectively. In 2019, $717 was included in the primary business segments, of which $407, $257, and $53 was included in BCA, BDS and BGS, respectively. In 2018, $692 was included in the primary business segments, of which $417, $213, and $62 was included in BCA, BDS and BGS, respectively.
130
Years ended December 31,2017
 2016
 2015
Commercial Airplanes
$521
 
$442
 
$388
Defense, Space, & Security
252
 220
 248
Global Services322
 312
 317
Boeing Capital Corporation70
 83
 87
Unallocated items, eliminations and other904
 853
 793
Total
$2,069
 
$1,910
 
$1,833
Capital Expenditures
Years ended December 31,2017
 2016
 2015
Commercial Airplanes
$636
 
$830
 
$819
Defense, Space, & Security210
 290
 226
Global Services180
 209
 132
Unallocated items, eliminations and other713
 1,284
 1,273
Total
$1,739
 
$2,613
 
$2,450
Unallocated capital expenditures relate primarily to assets managed centrally on behalf of the five principal segments.
We recorded Earnings from operations associated with our equity method investments of $233, $303 and $274, primarily in our BDS segment, for the years ended December 31, 2017, 2016 and 2015, respectively.
For segment reporting purposes, we record Commercial Airplanes segment revenues and cost of sales for airplanes transferred to other segments. Such transfers may include airplanes accounted for as operating leases and considered transferred to the BCC segment and airplanes transferred to the BDS


102


segment for further modification prior to delivery to the customer. In addition, BGS segment revenue and costs include certain services provided to other segments. The revenues and cost of sales for these transfers are eliminated in the Unallocated items and eliminations caption. For segment reporting purposes, we record BDS revenues and cost of sales for the modification performed on airplanes received from Commercial Airplanes when the airplane is delivered to the customer or at the attainment of performance milestones.
Intersegment revenues, eliminated in Unallocated items, eliminations and other, are shown in the following table.
Years ended December 31,2017
 2016
 2015
Commercial Airplanes
$1,571
 
$2,001
 
$1,700
Global Services49
 75
 95
Boeing Capital28
 16
 15
Total
$1,648
 
$2,092
 
$1,810
Unallocated Items, Eliminations and other
Unallocated items, eliminations and other includes costs not attributable to business segments as well as intercompany profit eliminations. We generally allocate costs to business segments based on the U.S. federal cost accounting standards. Components of Unallocated items, eliminations and other are shown in the following table.
Years ended December 31,2017
 2016
 2015
Share-based plans
($77) 
($66) 
($76)
Deferred compensation(240) (46) (63)
Amortization of previously capitalized interest(98) (94) (90)
Eliminations and other unallocated items(640) (527) (511)
Sub-total(1,055) (733) (740)
Pension1,120
 217
 (421)
Postretirement188
 153
 123
Pension and Postretirement1,308
 370
 (298)
Total
$253
 
($363) 
($1,038)
Unallocated Pension and Other Postretirement Benefit Expense
Unallocated pension and other postretirement benefit expense represent the portion of pension and other postretirement benefit costs that are not recognized by business segments for segment reporting purposes. Pension costs, comprising GAAP service and prior service costs, are allocated to BCA. Pension costs are allocated to BDS and BGS businesses supporting government customers using U.S. Government Cost Accounting Standards (CAS), which employ different actuarial assumptions and accounting conventions than GAAP. These costs are allocable to government contracts. Other postretirement benefit costs are allocated to business segments based on CAS, which is generally based on benefits paid.


103


Assets
Segment assets are summarized in the table below.
December 31,2017
 2016
Commercial Airplanes
$47,737
 
$46,745
Defense, Space & Security15,865
 14,123
Global Services12,353
 11,490
Boeing Capital3,156
 4,139
Unallocated items, eliminations and other13,222
 13,500
Total
$92,333
 
$89,997
Assets included in Unallocated items, eliminations and other primarily consist of Cash and cash equivalents, Short-term and other investments, Deferred tax assets, capitalized interest and assets held centrally as well as intercompany eliminations.


104


Note 2223 – Quarterly Financial Data (Unaudited)
 20172016
 4th
3rd
2nd
1st
4th
3rd
2nd
1st
Total revenues
$25,368

$24,309

$22,739

$20,976

$23,286

$23,898

$24,755

$22,632
Total costs and expenses(20,427)(19,987)(18,388)(17,264)(19,464)(19,904)(22,325)(19,097)
Earnings from operations3,030
2,689
2,535
2,024
2,183
2,282
(419)1,788
Net earnings/(loss)3,132
1,853
1,761
1,451
1,631
2,279
(234)1,219
Basic earnings/(loss) per share5.25
3.10
2.93
2.36
2.63
3.64
(0.37)1.85
Diluted earnings/(loss) per share5.18
3.06
2.89
2.34
2.59
3.60
(0.37)1.83
Cash dividends declared per share3.13
 2.84
 2.51
 2.18
 
Common stock sales price per share:        
High299.33
259.30
204.39
185.71
160.07
139.45
137.89
141.70
Low253.53
197.75
175.47
155.21
130.74
123.96
122.35
102.10
Quarter end294.91
254.21
197.75
176.86
155.68
131.74
129.87
126.94
20202019
4th3rd2nd1st4th3rd2nd1st
Total revenues$15,304 $14,139 $11,807 $16,908 $17,911 $19,980 $15,751 $22,917 
Total costs and expenses(20,992)(13,105)(12,978)(16,768)(18,708)(16,930)(17,810)(18,645)
(Loss)/earnings from operations(8,049)(401)(2,964)(1,353)(2,204)1,259 (3,380)2,350 
Net (loss)/earnings attributable to Boeing Shareholders(8,420)(449)(2,376)(628)(1,010)1,167 (2,942)2,149 
Basic (loss)/earnings per share(14.65)(0.79)(4.20)(1.11)(1.79)2.07 (5.21)3.79 
Diluted (loss)/earnings per share(14.65)(0.79)(4.20)(1.11)(1.79)2.05 (5.21)3.75 
Gross profit is calculated as Total revenues minus Total costs and expenses. Total costs and expenses includes Cost of products, Cost of services and Boeing Capital interest expense.
During the fourthfirst quarter of 2017, as a result of the enactment of the TCJA,2020, we recorded incremental tax benefits$797 of $1,051, primarilyabnormal production costs related to 737 MAX, $336 related to 737NG frame fitting component repair costs, $137 of abnormal production costs from the temporary suspension of Puget Sound production in response to COVID-19, and a $168 reach-forward loss on VC-25B. During the first quarter of 2019, we concluded that lease incentives granted to a customer that experienced liquidity issues were impaired and recorded a charge of $250.
During the second quarter of 2020, we recorded $859 of charges at BGS related to asset impairments, $712 of abnormal production costs related to the remeasurement737 MAX, $652 of net U.S. deferred tax liabilities.
severance costs, and $133 of abnormal production costs from the temporary suspension of Puget Sound production in response to COVID-19. During 2017 and 2016, higher estimated costs to complete the KC-46A Tanker contract for the U.S. Air Force resulted in reach-forward losses. We recorded $329 and $142 in the third and firstsecond quarter of 2017. We2019, we recorded $312, $573 and $243 in the fourth, second and first quartera charge of 2016, respectively.$109 related to ongoing litigation associated with recoverable costs on U.S. government contracts.
During the third quarter of 2016, delays in completion2020, we recorded $590 of engineeringabnormal production costs related to the 737 MAX and supply chain activities for the Commercial Crew program resulted in a charge$328 of $162.severance costs.
During the secondfourth quarter of 20162020, we recorded a reach-forward loss on the 777X program of $6,493, abnormal production costs related to the 737 MAX of $468 and firstasset impairments of $290 at BGS. Additionally, we recorded an increase to our valuation allowances and a tax benefit of $587 related to the settlement of the 2015-2017 federal tax audit. See Note 4. During the fourth quarter of 2016,2019, we recorded a divestiture gain of $395 and a tax benefit of $371 related to the settlement of state tax audits spanning 15 tax years. Additionally, we recorded an impairment of $293 as a result of our decision to retire the Aviall brand and trade name, and an increase to the reach-forward lossesloss on Commercial Crew of $1,188 and $70 on the 747 program.$410.
DuringWe recorded a reduction to revenue in the second quarterand fourth quarters of 2016, we determined that the fourth2020 of $551 and fifth flight test aircraft$128 for the 787 program are not commercially saleable, and we reclassified costs of $1,235 associated with these aircraft from 787 program inventory to research and development expense.
During737 MAX customer considerations. In the third quarter of 2016,2020, we recorded an incremental tax benefitincrease to revenue of $440that related$151 for 737 MAX customer considerations. During the second and fourth quarters of 2019, we recorded a reduction to revenue of $5,610 and $2,619 for 737 MAX customer considerations, net of insurance recoveries.
We recorded an increase to the applicationreach-forward loss on KC-46A Tanker in the first, second, third, and fourth quarters of a 2012 Federal Court2020 of Claims decision. We also$827, $151, $67 and $275, respectively. In the fourth quarter of 2019, we recorded a tax benefitan increase to the reach-forward loss on KC-46A Tanker of $177as a result of the 2011-2012 federal tax audit settlements.$108.
We increased our quarterly dividend from $1.09 to $1.42 in December 2016 and to $1.71 in December 2017.



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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the shareholders and the Board of Directors of The Boeing Company

Opinion on the Financial Statements
We have audited the accompanying consolidated statements of financial position of The Boeing Company and subsidiaries (the “Company”"Company") as of December 31, 20172020 and 2016,2019, the related consolidated statements of operations, comprehensive income, equity, and cash flows, for each of the three years in the period ended December 31, 2017,2020, and the related notes (collectively referred to as the “financial statements”"financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 20172020 and 2016,2019, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2017,2020, in conformity with accounting principles generally accepted in the United States of America.
We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’sCompany's internal control over financial reporting as of December 31, 2017,2020, based on criteria established in Internal Control Integrated Framework (2013)issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 12, 2018,1, 2021, expressed an unqualified opinion on the Company’sCompany's internal control over financial reporting.
Basis for Opinion
These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.
We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters
The critical audit matters communicated below are matters arising from the current-period audit of the financial statements that were communicated or required to be communicated to the audit committee and that (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.
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Cost Estimates for Fixed-Price Development Contracts – Refer to Notes 1 and 13 to the financial statements
Critical Audit Matter Description
As more fully described in Notes 1 and 13 to the consolidated financial statements, the Company recognizes revenue over time for long-term contracts as goods are produced or services are rendered. The Company uses costs incurred as the method for determining progress, and revenue is recognized based on costs incurred to date plus an estimate of margin at completion. The process of estimating margin at completion involves estimating the costs to complete production of goods or rendering of services and comparing those costs to the estimated final revenue amount. Fixed-price development contracts are inherently uncertain in that revenue is fixed while the estimates of costs required to complete these contracts are subject to significant variability. Due to the technical performance requirements in many of these contracts, changes to cost estimates could occur, resulting in lower margins or material reach-forward losses.
Given the complexity of certain of the Company’s fixed-price development contracts, including the KC-46A Tanker, Commercial Crew, and United States Air Force VC-25B Presidential Aircraft contracts, the limited amount of historical data available in certain instances and significant judgments necessary to estimate future costs at completion, auditing these estimates involved extensive audit effort and a high degree of auditor judgment and required audit professionals with specialized industry experience.
How the Critical Audit Matter Was Addressed in the Audit
Our auditing procedures related to the cost estimates for the KC-46A Tanker, Commercial Crew, and United States Air Force VC-25B Presidential Aircraft fixed-price development contracts included the following, among others:
We evaluated the appropriateness and consistency of management’s methods used in developing its estimates.
We evaluated the reasonableness of judgments made and significant assumptions used by management relating to key estimates, including the range and probability of possible outcomes.
We performed inquiries of the Company’s project managers and others directly involved with the contracts to evaluate project status and project challenges which may affect total estimated costs to complete. We also observed the project work site when key estimates related to tangible or physical progress of the project.
We tested the accuracy and completeness of the data used in developing key estimates. We developed independent expectations of likely outcomes using, in part, the program’s data and compared our expectations to management’s estimates.
We tested the effectiveness of controls over the review of judgments made and significant assumptions used to develop key estimates, including controls over the data used in developing the estimates and the mathematical extrapolation of such data.
We performed retrospective reviews, comparing actual performance to estimated performance and the related financial statement impact, when evaluating the thoroughness and precision of management’s estimation process and effectiveness of related internal controls.
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Program Accounting Estimates for the 777X Program – Refer to Notes 1 and 7 to the financial statements
Critical Audit Matter Description
The introduction of new aircraft programs involves increased risk associated with meeting development, certification and production schedules. The Company uses program accounting in order to compute cost of sales and margin for each commercial airplane sold. The use of program accounting requires estimating and demonstrating customer demand for the number of units included in the program (program accounting quantity) and estimating the sales and costs over the expected life of each program. In particular, estimating the initial program accounting quantity and revenue for unsold units within the program accounting quantity involves measurement uncertainty resulting in a range of possible outcomes. Additionally, the level of effort to meet regulatory requirements and achieve certification may be challenging to predict, resulting in delays in the timing of entry into service and corresponding increases in estimated costs. Changes to the program accounting quantity or revenue and cost estimates could occur, resulting in lower margins or material reach-forward losses. Auditing the estimated revenues and costs for the 777X program involved extensive audit effort and required professionals with specialized industry experience given the high degree of complexity and subjectivity related to management’s estimates.
How the Critical Audit Matter Was Addressed in the Audit
Our auditing procedures over the estimated revenues and costs for the 777X program accounting quantity included the following, among others:
We inquired of the Company’s management, including individuals responsible for sales and pricing, to evaluate the status of current sales campaigns, short and long-term market demand, and status of negotiations with individual sold firm customers.
We compared management’s estimate of market demand to external industry sources of expected demand.
We evaluated the appropriateness and consistency of management’s methods and significant assumptions used in developing its estimates related to the initial program accounting quantity and revenue for unsold units.
We evaluated management’s ability to estimate program revenue by comparison to historical estimates and actual results on similar programs.
We evaluated the appropriateness and consistency of management’s methods used in developing its cost estimates.
Performed inquiries of those directly involved with the certification of the aircraft to evaluate project status and challenges which may affect total estimated costs to certify the aircraft.
We tested the effectiveness of controls including those over the data used in developing the estimates, the mathematical extrapolation of such data, and management’s judgment regarding the range of possible outcomes relating to the specific estimates.

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Liabilities related to the 737 MAX Grounding – Refer to Notes 13 and 21 to the financial statements
Critical Audit Matter Description
In 2019, following two fatal 737 MAX accidents, the Federal Aviation Administration (FAA) and non-U.S. civil aviation authorities issued orders suspending commercial operations of 737 MAX aircraft (the “737 MAX Grounding”). Deliveries resumed in the U.S. in late 2020 following rescission by the FAA of its grounding order. The 737 MAX remains grounded in certain non-U.S. jurisdictions. In addition, multiple legal actions have been filed against the Company following the fatal accidents and various governmental and regulatory investigations and inquiries continue relating to the accidents and the 737 MAX aircraft.
During 2019, the Company recorded an initial liability in connection with estimated payments, concessions and other in-kind consideration it intends to provide to customers for disruptions related to the 737 MAX Grounding and associated delivery delays. This liability totaled $5.5 billion at December 31, 2020 and is reflected in the financial statements in Accrued liabilities. This represents the Company’s best estimate of future concessions and other consideration to its customers, and is necessarily based on individual negotiations with customers and the substance of such negotiations.
Significant judgment is involved in management’s ability to assess and reasonably estimate potential additional financial statement effects or a range of loss, if any, resulting from the outcome of 737 MAX-related litigation and the results of the various ongoing governmental and regulatory investigations and inquiries related to the 737 MAX.
The subjectivity of the liability associated with providing consideration to customers resulting from the 737 MAX Grounding and the complexity of assessing the outcome of the ongoing litigation and investigations related to the 737 MAX required a high degree of auditor judgment and increased audit effort.
How the Critical Audit Matter Was Addressed in the Audit
Our auditing procedures associated with liabilities related to the 737 MAX Grounding included the following, among others:
We inquired of management to understand developments with the 737 MAX Grounding, including the status of regulatory approval for return to service in various foreign jurisdictions and the status of consideration negotiations with individual customers.
We obtained written representations from management concerning its intent to provide consideration to customers and the extent of that consideration.
We tested the effectiveness of controls related to nonrecurring items and loss contingencies associated with litigation, claims and assessments.
We evaluated the significant assumptions used by management to estimate the liability for customer consideration, including the timing and conditions of 737 MAX return to service in various foreign jurisdictions, and, where possible, we corroborated the significant assumptions with management outside of the accounting and finance organizations.
We reviewed the terms of customer contracts and correspondence with customers concerning potential consideration as a result of the 737 MAX Grounding.
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We evaluated the terms of settlement agreements with customers for the allocation of value provided between consideration as a result of the 737 MAX Grounding and for consideration related to the impact of current economic conditions resulting from COVID-19.
We evaluated delivery documents for 737 MAX deliveries for incremental value provided at delivery as potential consideration as a result of the 737 MAX Grounding.
We inquired of internal and external legal counsel to understand developments related to contractual obligations to customers, litigation and other claims relating to the 737 MAX Grounding and progression in potential settlement discussions.
We read minutes of meetings of the Board of Directors and its committees for evidence of unrecorded loss contingencies.
We evaluated the Company’s disclosures for consistency with our knowledge of matters related to the 737 MAX Grounding.
Income Taxes – Realizability of Deferred Tax Assets– Refer to Notes 1 and 4 to the financial statements
Critical Audit Matter Description
As more fully described in Notes 1 and 4 to the consolidated financial statements, the Company recognizes deferred income taxes for differences between the financial statement carrying amount and tax basis of assets and liabilities, measured using enacted statutory rates in effect for the years in which the basis differences are expected to reverse. A valuation allowance is provided to offset deferred tax assets if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. Future realization of deferred tax assets depends on the existence of sufficient taxable income of the appropriate character. Sources of taxable income typically include future reversals of deferred tax liabilities, future taxable income exclusive of reversals of deferred tax liabilities, and tax planning strategies. During 2020 the Company determined that it is not more likely than not that sufficient taxable income of the appropriate character will be generated in the future to realize all of its deferred tax assets; therefore, a valuation allowance has been recorded.
We identified the Company’s determination that it is not more likely than not that sufficient taxable income will be generated in the future to realize all of its deferred tax assets as a critical audit matter because of the significant judgments and estimates made related to the timing of future reversals of deferred tax assets and liabilities. This required a high degree of auditor judgment and an increased extent of effort, including the need to involve our income tax specialists, when performing audit procedures to evaluate the reasonableness of management’s methodologies and estimates.
How the Critical Audit Matter Was Addressed in the Audit
Our auditing procedures related to the timing of future reversals of deferred tax assets and liabilities included the following, among others:
With the assistance of our income tax specialists, we evaluated the reasonableness of the methods, significant assumptions, and judgments used by management to determine whether it was more likely than not that the Company would be able to realize its deferred tax assets.
We tested the Company’s methodologies for scheduling the reversal of existing taxable and deductible temporary differences.
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We evaluated whether the estimates considered when determining future taxable income were consistent with the evidence obtained in other areas of the audit.
We tested the effectiveness of controls over deferred tax assets and liabilities, including management’s controls over determining the pattern of the reversals of deferred tax assets and liabilities.

/s/ Deloitte & Touche LLP
Chicago, Illinois
February 12, 20181, 2021


We have served as the Company's auditor since at least 1934; however, an earlier year cannotcould not be reliably determined.


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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the shareholders and the Board of Directors of The Boeing Company
Opinion on Internal Control over Financial Reporting
We have audited the internal control over financial reporting of The Boeing Company and subsidiaries (the “Company”) as of December 31, 2017,2020, based on criteria established in Internal Control Integrated Framework (2013) (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2017,2020, based on criteria established in Internal Control - Integrated Framework (2013) issued by COSO.
We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements as of and for the year ended December 31, 2017,2020 of the Company, and our report dated February 12, 2018,1, 2021 expressed an unqualified opinion on those financial statements.
Basis for Opinion
The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.
We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.
Definition and Limitations of Internal Control over Financial Reporting
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
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Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.


/s/ Deloitte & Touche LLP


Chicago, Illinois
February 12, 2018

1, 2021

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Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
None.
Item 9A. Controls and Procedures
(a)Evaluation of Disclosure Controls and Procedures.
(a)Evaluation of Disclosure Controls and Procedures.
Our Chief Executive Officer and Chief Financial Officer have evaluated our disclosure controls and procedures as of December 31, 20172020 and have concluded that these disclosure controls and procedures are effective to ensure that information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms and is accumulated and communicated to our management, including the Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.
(b)Management’s Report on Internal Control Over Financial Reporting.
(b)Management’s Report on Internal Control Over Financial Reporting.
Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rules 13a-15(f). Our management conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on this evaluation under the framework in Internal Control – Integrated Framework, our management concluded that our internal control over financial reporting was effective as of December 31, 2017.2020.
Our internal control over financial reporting as of December 31, 2017,2020, has been audited by Deloitte & Touche LLP, an independent registered public accounting firm, as stated in their report which is included in Item 8 of this report and is incorporated by reference herein.
(c)Changes in Internal Controls Over Financial Reporting.
(c)Changes in Internal Controls Over Financial Reporting.
There were no changes in our internal control over financial reporting that occurred during the fourth quarter of 20172020 that have materially affected or are reasonably likely to materially affect our internal control over financial reporting.
Item 9B. Other Information
None.

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Part III


Item 10. Directors, Executive Officers and Corporate Governance
Our executive officers and their ages as of February 5, 2018,1, 2021, are as follows:
NameAgePrincipal Occupation or Employment/Other Business Affiliations
Bertrand-Marc Allen


4447Chief Strategy Officer and Senior Vice President, Strategy and Corporate Development since October 2020. Mr. Allen previously served as Senior Vice President and President, Embraer Partnership and Group Operations from April 2019 to October 2020, Senior Vice President and President, Boeing International sincefrom February 2015. Mr. Allen previously served as2015 to April 2019; President of Boeing Capital Corporation from March 2014 to February 2015; Corporate Vice President, Boeing International and Chairman and President of Boeing (China) Co., Ltd. from March 2011 to March 2014; and Vice President, Global Law Affairs from May 2007 to March 2011.
Heidi B. CapozziMichael A. Arthur4870Senior Vice President Human Resourcesand President, Boeing International since March 2016. Ms. CapozziApril 2019. Mr. Arthur previously served as Vice President of Leadership Development, Talent ManagementBoeing Europe from March 2016 to April 2019 and Organization Effectiveness from April 2013 to March 2016;as Managing Director of Human Resources for the Airplane Programs division of Commercial AirplanesBoeing United Kingdom and Ireland from April 2011September 2014 to April 2013;2019.
David L. Calhoun63President and Chief Executive Officer since January 2020 and a member of the Board of Directors since June 2009. Previously, Mr. Calhoun served as Senior Managing Director & Head of Human Resources forPrivate Equity Portfolio Operations at The Blackstone Group from January 2014 to January 2020. Prior to that, Mr. Calhoun served as Chairman of the Surveillance and Engagement divisionBoard of Boeing Military AircraftNielsen Holdings plc from January 2014 to January 2016, as Chief Executive Officer of Nielsen Holdings plc from May 20092010 to April 2011.January 2014, and as Chairman of the Executive Board and Chief Executive Officer of The Nielsen Company B.V. from August 2006 to January 2014. Prior to joining Nielsen, he served as Vice Chairman of General Electric Company and President and Chief Executive Officer of GE Infrastructure. During his 26-year tenure at GE, he ran multiple business units including GE Transportation, GE Aircraft Engines, GE Employers Reinsurance Corporation, GE Lighting and GE Transportation Systems. Mr. Calhoun also serves on the board of Caterpillar Inc.
Leanne G. Caret5154Executive Vice President, President and Chief Executive Officer, Boeing Defense, Space & Security since March 2016. Ms. Caret joined Boeing in 1988, and her previous positions include President of Global Services & Support from February 2015 to March 2016; Chief Financial Officer and Vice President, Finance, for BDS from March 2014 to February 2015; Vice President and General Manager, Vertical Lift from November 2012 to February 2014; and Vice President and Program Manager, Chinook from November 2009 to October 2012.
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NameAgePrincipal Occupation or Employment/Other Business Affiliations
Theodore Colbert III4447Executive Vice President, President and Chief Executive Officer, Boeing Global Services since October 2019. Mr. Colbert previously served as Chief Information Officer and Senior Vice President, Information Technology & Data Analytics sincefrom April 2016. Mr. Colbert previously served as2016 to October 2019; Chief Information Officer and Vice President of Information Technology from November 2013 to April 2016; Vice President of Information Technology Infrastructure from December 2011 to November 2013; and Vice President of IT Business Systems from September 2010 to December 2011.
Michael D’Ambrose63Executive Vice President, Human Resources since July 2020. Prior to joining Boeing, Mr. D'Ambrose served as Senior Vice President and Chief Human Resources Officer for Archer-Daniels-Midland Company from October 2006 to June 2020. Previously, he served in a series of executive-level business and human resources positions, including chief human resources officer at Citigroup, First Data Corporation and Toys 'R' Us, Inc.
Edward L. Dandridge56Senior Vice President, Communications since September 2020. Mr. Dandridge’s prior experience includes serving as Global Chief Marketing and Communications Officer of AIG General Insurance from April 2018 to September 2020; Chief Marketing and Communications Officer of Marsh & McLennan Companies from March 2014 to April 2018; and Chief Marketing Officer of Collective from February 2013 to February 2014.
Stanley A. Deal5356Executive Vice President, President and Chief Executive Officer, Boeing Commercial Airplanes since October 2019. Mr. Deal joined Boeing in 1986, and his previous positions include Executive Vice President, President and Chief Executive Officer, Boeing Global Services sincefrom November 2016. Mr. Deal joined Boeing in 1986, and his previous positions include2016 to October 2019; Senior Vice President of Commercial Aviation Services from March 2014 to November 2016; Vice President and General Manager of Supply Chain Management and Operations for Commercial Airplanes from September 2011 to February 2014; Vice President of Supplier Management from February 2010 to August 2011; and Vice President of Asia Pacific Sales from December 2006 to January 2010.
Susan Doniz51Chief Information Officer and Senior Vice President, Information Technology & Data Analytics since May 2020. Prior to joining Boeing, Ms. Doniz served as Global Chief Information Officer of Qantas Airways Limited from January 2017 to April 2020; as strategic advisor to the Global CEO of SAP SE on transformation and technology issues in support of customers from September 2015 to December 2017; and Global Product, Digital Strategy and Chief Information Officer of AIMIA Inc. from June 2011 to January 2015.
Brett C. Gerry49Chief Legal Officer and Executive Vice President, Global Compliance since May 2020. Mr. Gerry previously served as Senior Vice President and General Counsel from May 2019 to May 2020 President of Boeing Japan from February 2016 to May 2019; Vice President and General Counsel, Boeing Commercial Airplanes from March 2009 to March 2016; and Chief Counsel, Network and Space Systems from September 2008 to March 2009.
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NameAgePrincipal Occupation or Employment/Other Business Affiliations
Gregory L. Hyslop5962Chief Engineer and Executive Vice President, Engineering Test and Technology since December 2020. Dr. Hyslop's previous positions include Chief Engineer and Senior Vice President, Engineering Test and Technology from August 2019 to December 2020;Chief Technology Officer and Senior Vice President, Boeing Engineering Test &and Technology since July 2016. Mr. Hyslop was named Senior Vice President, Boeing Engineering, Test & Technology infrom March 2016 and his previous positions includeto August 2019; Vice Presidentpresident and General Manager of Boeing Research &and Technology from February 2013 to March 2016 and Vice President and General Manager of Boeing Strategic Missile & Defense Systems from March 2009 to February 2013.


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NameAgePrincipal Occupation or Employment/Other Business Affiliations
Timothy J. Keating5659SeniorExecutive Vice President, Government Operations since joiningFebruary 2018. Mr. Keating joined Boeing in June 2008. Mr. Keating2008 as Senior Vice President, Government Operations. From October 2002 to May 2008 he served as Senior Vice President, Global Government Relations at Honeywell International Inc. from October 2002 to May 2008. Prior thereto, Mr. Keating was Chairman of the Board and Managing Partner of Timmons and Company (a Washington, D.C. lobbying firm).
J. Michael LuttigGregory D. Smith6353Executive Vice President, Enterprise Operations and General CounselChief Financial Officer since April 2009. Mr. Luttig joined Boeing in May 2006 as Senior Vice President, General Counsel. From October 1991 to May 2006, he served on the United States Court of Appeals for the Fourth Circuit. Mr. Luttig2020. He previously served as Assistant Attorney General of the United States, Counselor to the Attorney General at the Department of Justice and Principal Deputy Assistant Attorney General at the Department of Justice and was associated with Davis Polk & Wardwell LLP. Mr. Luttig serves as Director, Franklin Templeton Mutual Funds.
Kevin G. McAllister54Executive Vice President, President and Chief Executive Officer, Boeing Commercial Airplanes since November 2016. Mr. McAllister served as President and Chief Executive Officer of GE Aviation Services from January 2014 to November 2016 and Vice President, Global Sales and Marketing of GE Aviation from June 2008 to January 2014.
Dennis A. Muilenburg54Chairman, President and Chief Executive Officer since March 2016. Mr. Muilenburg was named President and Chief Executive Officer in July 2015. He joined Boeing in 1985, and his previous positions include Vice Chairman, President and Chief Operating Officer from December 2013 to July 2015; Executive Vice President, President and Chief Executive Officer of BDS from September 2009 to December 2013; President of Global Services & Support from February 2008 to August 2009; Vice President and General Manager of Combat Systems from May 2006 to February 2008; and Vice President and Program Manager for Future Combat Systems. Mr. Muilenburg also serves on the board of Caterpillar Inc.
Philip A. Musser45Senior Vice President, Communications since September 2017. Mr. Musser previously served as President of New Frontier Strategy from January 2007 to September 2017 and co-founder of The Media Group of America where he served as Chairman and CEO of IMGE from January 2013 to September 2017.
Jenette E. Ramos52
Senior Vice President, Supply Chain & Operations since June 2017. Ms. Ramos joined Boeing in 1988, and her previous positions include Vice President and General Manager, BCA Fabrication from April 2014 to May 2017; Vice President, Supply Chain Management from January 2012 to April 2014; Vice President, Operations Supply Chain Rate, Supplier Management Capability for Boeing Commercial Airplanes from June 2011 to January 2012; director of Business Operations for Boeing Fabrication from June 2009 to May 2011; General Manager of Boeing Portland from February 2005 to May 2009 and director of Boeing Fabrication Integrated AeroStructures from September 2003 to January 2005.



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NameAgePrincipal Occupation or Employment/Other Business Affiliations
Diana L. Sands52Senior Vice President, Office of Internal Governance and Administration since March 2016. Ms. Sands previously served as Senior Vice President, Office of Internal Governance from April 2014 to March 2016; Vice President of Finance and Corporate Controller from February 2012 to April 2014 and Vice President of Investor Relations, Financial Planning & Analysis from February 2010 to February 2012. Prior to that, she held positions in Investor Relations, Financial Planning and in Corporate Treasury.
Gregory D. Smith51
Chief Financial Officer and Executive Vice President, Enterprise Performance and Strategy sincefrom July 2017 to May 2020; Interim President and Chief Executive Officer from December 2019 to January 2020; Chief Financial Officer and Executive Vice President, Corporate Development and Strategy from February 2015. Mr. Smith previously served as2015 to June 2017; Executive Vice President, Chief Financial Officer from February 2012 to February 2015; Vice President of Finance and Corporate Controller from February 2010 to February 2012; and Vice President of Financial Planning & Analysis from June 2008 to February 2010. From August 2004 until June 2008, he served as Vice President of Global Investor Relations at Raytheon Company. Prior to that, he held a number of positions at Boeing including CFO, Shared Services Group; Controller, Shared Services Group; Senior Director, Internal Audit; and leadership roles in supply chain, factory operations and program management. Mr. Smith serves on the board of Intel Corporation.
Information relating to our directors and nominees will be included under the caption “Election of Directors” in our proxy statement involving the 2018 Proxy Statement for our Annual Shareholders Meeting scheduled toelection of directors, which will be held on April 30, 2018filed with the SEC no later than 120 days after December 31, 2020 and is incorporated by reference herein. The informationInformation required by Items 405, 407(d)(4) and 407(d)(5) of Regulation S-K will be included under the captions “Stock Ownership Information – Section 16(a) Beneficial Ownership Reporting Compliance”Information” and “Board Committees” in the 20182021 Proxy Statement, and that information is incorporated by reference herein.
Codes of Ethics. We have adopted (1) The Boeing Company Code of Ethical Business Conduct for the Board of Directors; (2) The Boeing Company Code of Conduct for Finance Employees which is applicable to our Chief Executive Officer (CEO), Chief Financial Officer (CFO), Controller and all finance employees; and (3) The Boeing Code of Conduct that applies to all employees, including our CEO (collectively, the Codes of Conduct). The Codes of Conduct are posted on our website, www.boeing.com/company/general-info/corporate-governance.page, and printed copies may be obtained, without charge, by contacting the Office of Internal Governance, The Boeing Company, 100
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N. Riverside Plaza, Chicago, IL 60606. We intend to disclose promptly on our website any amendments to, or waivers of, the Codes of Conduct covering our CEO, CFO and/or Controller.
No family relationships exist among any of the executive officers, directors or director nominees.
Item 11. Executive Compensation
The information required by Item 402 of Regulation S-K will be included under the captions “Compensation Discussion and Analysis,” “Compensation of Executive Officers,” and “Compensation of Directors” in the 20182021 Proxy Statement, and that information is incorporated by reference herein. The information required by Item 407(e)(4) and 407(e)(5) of Regulation S-K will be included under the captions “Compensation Committee Interlocks and Insider Participation” and “Compensation Committee Report” in the 20182021 Proxy Statement, and that information is incorporated by reference herein.




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Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
The information required by Item 403 of Regulation S-K will be included under the caption “Stock Ownership Information” in the 20182021 Proxy Statement, and that information is incorporated by reference herein.
Equity Compensation Plan Information
We currently maintain two equity compensation plans that provide for the issuance of common stock to officers and other employees, directors and consultants. Each of these compensation plans was approved by our shareholders. The following table sets forth information regarding outstanding options and shares available for future issuance under these plans as of December 31, 2017:2020:
Plan CategoryNumber of shares
to be issued upon exercise of outstanding
options, warrants
and rights
Weighted-average
exercise price of
outstanding
options, warrants
and rights
Number of securities
remaining available for
future issuance under
equity compensation
plans (excluding
shares reflected
in column (a))
(a)(b)(c)
Equity compensation plans approved by shareholders
Stock options1,860,520 $75.71 
Deferred compensation1,365,292 
Other stock units(1)
8,579,463 
Equity compensation plans not approved by shareholdersNoneNoneNone
Total(2)
11,805,275 $75.71 8,367,025 
Plan Category
Number of shares
to be issued upon exercise of outstanding
options, warrants
and rights

 
Weighted-average
exercise price of
outstanding
options, warrants
and rights

 
Number of securities
remaining available for
future issuance under
equity compensation
plans (excluding
shares reflected
in column (a))

 (a) (b) (c)
Equity compensation plans approved by shareholders     
Stock options4,417,218
 
$71.69
  
Deferred compensation2,237,472
    
Other stock units(1)
5,887,032
    
Equity compensation plans not approved by shareholdersNone
 None
 None
Total(2)
12,541,722
 
$71.69
 14,492,124
(1)    Includes 1,243,118     shares issuable in respect of PBRSUs subject to the satisfaction of performance criteria and assumes payout at maximum levels.
(2)    Excludes the potential performance awards which the Compensation Committee has the discretion to pay in cash, stock or a combination of both after the three-year performance periods which end in 2020, 2021 and 2022.
(1)
Includes 3,103,468shares issuable in respect of PBRSUs subject to the satisfaction of performance criteria and assumes payout at maximum levels.
(2)
Excludes the potential performance awards which the Compensation Committee has the discretion to pay in cash, stock or a combination of both after the three-year performance periods which end in 2017, 2018 and 2019.
For further information, see Note 1517 to our Consolidated Financial Statements.

Item 13. Certain Relationships and Related Transactions, and Director Independence
The information required by Item 404 of Regulation S-K will be included under the caption “Related Person Transactions” in the 20182021 Proxy Statement, and that information is incorporated by reference herein.
The information required by Item 407(a) of Regulation S-K will be included under the caption “Director Independence” in the 20182021 Proxy Statement, and that information is incorporated by reference herein.


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Item 14. Principal Accounting Fees and Services
The information required by this Item will be included under the caption “Independent Auditor Fees” in the 20182021 Proxy Statement, and that information is incorporated by reference herein.
PART IV
Item 15. Exhibits, Financial Statement Schedules
(a)List of documents filed as part of this report:
1.Financial Statements
(a)List of documents filed as part of this report:
1.Financial Statements
Our consolidated financial statements are as set forth under Item 8 of this report on Form 10-K.
2.Financial Statement Schedules
2.Financial Statement Schedules
All schedules are omitted because they are not applicable, not required, or the information is included in the consolidated financial statements.
3.Exhibits
3.Exhibits
3.1
3.2
10.14.1
10.1
10.2
10.3
10.410.3
10.510.4
10.6


113


10.710.5
146

10.810.6
10.910.7
10.8
10.1010.9
10.1110.10
10.1210.11
10.1310.12
10.14
10.1510.13
10.16
10.17
10.1810.14
10.15
10.1910.16
10.2010.17
10.2110.18
10.2210.19
10.2310.20
10.2410.21
10.22


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114


10.23
10.24
10.25
10.26
10.27
10.28
10.29
1210.30
2110.31
10.32
21
23
31.1
31.2
32.1
32.2
99.1
101.INS101.SCHXBRL Instance Document
101.SCHXBRL Taxonomy Extension Schema Document
101.CALXBRL Taxonomy Extension Calculation Linkbase Document
101.DEFXBRL Taxonomy Extension Definition Linkbase Document
101.LABXBRL Taxonomy Extension Label Linkbase Document
101.PREXBRL Taxonomy Extension Presentation Linkbase Document
104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document contained in Exhibit 101
* Management contract or compensatory plan
148

In accordance with Item 601(b)(4)(iii)(A) of Regulation S-K, copies of certain instruments defining the rights of holders of long-term debt of the Company are not filed herewith. Pursuant to this regulation, we hereby agree to furnish a copy of any such instrument to the SEC upon request.
Item 16. Form 10-K Summary
None

None.

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Signatures
Pursuant to the requirements of Section 13 of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on February 12, 2018.
1, 2021.
THE BOEING COMPANY
(Registrant)
By:/s/ Robert E. Verbeck
Robert E. Verbeck – Senior Vice President Finance and Corporate Controller






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Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on February 12, 2018.
1, 2021.
/s/ Dennis A. MuilenburgDavid L. Calhoun/s/ Lynn J. Good
Dennis A. MuilenburgDavid L. Calhoun Chairman, President and Chief Executive OfficerLynn J. Good – Director
(Principal Executive Officer)
/s/ Gregory D. Smith/s/ Akhil Johri
Gregory D. Smith – Executive Vice President, Enterprise Operations and Chief Financial OfficerAkhil Johri – Director
(Principal Financial Officer)
/s/ Robert E. Verbeck/s/ Lawrence W. Kellner
Gregory D. Smith – Chief Financial Officer and Executive Vice President, Enterprise Performance and StrategyLawrence W. Kellner – Director
(Principal Financial Officer)
/s/ Robert E. Verbeck/s/ Caroline B. Kennedy
Robert E. Verbeck – Senior Vice President Finance and Corporate ControllerCaroline B. KennedyLawrence W. KellnerDirectorChairman of the Board
(Principal Accounting Officer)
/s/ Robert A. Bradway/s/ EdwardSteven M. LiddyMollenkopf
Robert A. Bradway – DirectorEdwardSteven M. LiddyMollenkopf – Director
/s/ David L. Calhoun/s/ Susan C. Schwab
David L. Calhoun – DirectorSusan C. Schwab – Director
/s/ Arthur D. Collins, Jr./s/ Ronald A. WilliamsJohn M. Richardson
Arthur D. Collins, Jr. – DirectorRonald A. WilliamsJohn M. Richardson – Director
/s/ KennethLynne M. DubersteinDoughtie/s/ Mike S. ZafirovskiSusan C. Schwab
KennethLynne M. DubersteinDoughtie – DirectorMike S. ZafirovskiSusan C. Schwab – Director
/s/ Edmund P. Giambastiani, Jr./s/ Ronald A. Williams
Edmund P. Giambastiani, Jr. – DirectorRonald A. Williams – Director


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